Station Overview Station Location
Station Number MO-BN-50 Latitude 38.9538544
Station Name Columbia 0.6 W Longitude -92.3380674
County Boone Elevation (ft) 754



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 10 3.32 0.46 31 0.46 31 0.00 0 0 7 1 0.0 0 0
Nov 10 3.37 1.74 30 1.74 30 0.00 0 0 9 2 0.0 0 0
Dec 10 2.43 2.23 31 2.23 31 0.00 0 0 7 2 6.7 4 13
Jan 11 2.03 1.47 31 1.47 31 0.00 0 0 9 0 16.6 7 21
Feb 11 2.26 3.92 28 3.92 28 0.00 0 0 11 3 19.9 5 16
March 11 2.90 3.69 31 3.69 31 0.00 0 0 14 1 10.5 4 3
April 11 4.23 3.34 30 3.34 30 0.00 0 0 12 2 0.0 0 0
May 11 5.37 7.13 31 7.13 31 0.00 0 0 18 2 0.0 0 0
June 11 5.08 3.64 30 3.64 30 0.00 0 0 9 3 0.0 0 0
July 11 4.54 1.89 31 1.89 31 0.00 0 0 7 0 0.0 0 0
Aug 11 4.26 4.06 31 4.06 31 0.00 0 0 10 1 0.0 0 0
Sept 11 4.12 2.30 30 2.30 30 0.00 0 0 6 0 0.0 0 0
Water Year Totals: 43.91" 35.87" 365 days 35.87" 365 0.00" 0 days 0 119 days 17 days 53.7" 20 days 53 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2010 0.00
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.01
10/12/2010 0.06
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.01
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.11
10/24/2010 0.01
10/25/2010 0.04
10/26/2010 0.22
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 T
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.02
11/11/2010 0.05
11/12/2010 0.48
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 T
11/16/2010 0.00
11/17/2010 0.33
11/18/2010 0.02
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.25
11/23/2010 0.00
11/24/2010 0.36
11/25/2010 0.01
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 0.22
11/30/2010 T
12/1/2010 0.00
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 0.35
12/12/2010 0.02
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.01
12/16/2010 0.00
12/17/2010 0.00
12/18/2010 0.00
12/19/2010 T
12/20/2010 0.00
12/21/2010 0.00
12/22/2010 0.00
12/23/2010 0.00
12/24/2010 0.53
12/25/2010 T
12/26/2010 0.01
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.04
12/30/2010 0.00
12/31/2010 1.27
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.01
1/8/2011 0.00
1/9/2011 0.00
1/10/2011 0.38
1/11/2011 0.04
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.07
1/18/2011 0.00
1/19/2011 0.73
1/20/2011 0.04
1/21/2011 0.05
1/22/2011 0.00
1/23/2011 0.03
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 0.00
1/31/2011 0.12
2/1/2011 1.43
2/2/2011 0.01
2/3/2011 0.00
2/4/2011 T
2/5/2011 0.09
2/6/2011 0.00
2/7/2011 T
2/8/2011 0.00
2/9/2011 0.03
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.31
2/20/2011 0.14
2/21/2011 0.31
2/22/2011 0.00
2/23/2011 0.05
2/24/2011 0.95
2/25/2011 T
2/26/2011 0.05
2/27/2011 0.55
2/28/2011 0.00
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.55
3/5/2011 0.01
3/6/2011 0.00
3/7/2011 0.00
3/8/2011 0.74
3/9/2011 0.03
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.18
3/14/2011 1.14
3/15/2011 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.06
3/19/2011 0.31
3/20/2011 0.03
3/21/2011 0.00
3/22/2011 T
3/23/2011 0.01
3/24/2011 0.00
3/25/2011 0.26
3/26/2011 0.28
3/27/2011 0.00
3/28/2011 0.00
3/29/2011 0.03
3/30/2011 0.06
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.33
4/4/2011 0.04
4/5/2011 0.00
4/6/2011 0.00
4/7/2011 0.00
4/8/2011 0.61
4/9/2011 0.00
4/10/2011 0.06
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.00
4/15/2011 0.90
4/16/2011 0.03
4/17/2011 0.00
4/18/2011 0.00
4/19/2011 0.21
4/20/2011 T
4/21/2011 0.11
4/22/2011 0.50
4/23/2011 T
4/24/2011 0.02
4/25/2011 0.40
4/26/2011 0.13
4/27/2011 0.00
4/28/2011 0.00
4/29/2011 0.00
4/30/2011 0.00
5/1/2011 0.29
5/2/2011 0.00
5/3/2011 0.00
5/4/2011 0.00
5/5/2011 0.09
5/6/2011 0.00
5/7/2011 0.03
5/8/2011 0.00
5/9/2011 0.01
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 1.45
5/13/2011 0.65
5/14/2011 0.01
5/15/2011 0.27
5/16/2011 0.00
5/17/2011 0.00
5/18/2011 T
5/19/2011 0.22
5/20/2011 1.08
5/21/2011 0.01
5/22/2011 0.38
5/23/2011 0.14
5/24/2011 0.33
5/25/2011 1.90
5/26/2011 0.07
5/27/2011 T
5/28/2011 0.03
5/29/2011 0.00
5/30/2011 0.00
5/31/2011 0.17
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 T
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 T
6/10/2011 0.12
6/11/2011 0.00
6/12/2011 0.00
6/13/2011 0.42
6/14/2011 0.08
6/15/2011 0.00
6/16/2011 0.01
6/17/2011 0.32
6/18/2011 0.50
6/19/2011 0.07
6/20/2011 0.00
6/21/2011 0.05
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 0.00
6/25/2011 T
6/26/2011 0.00
6/27/2011 2.07
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.67
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.14
7/8/2011 0.00
7/9/2011 0.00
7/10/2011 0.00
7/11/2011 0.04
7/12/2011 0.65
7/13/2011 0.14
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.00
7/27/2011 0.00
7/28/2011 0.08
7/29/2011 0.00
7/30/2011 0.17
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.00
8/3/2011 0.00
8/4/2011 0.00
8/5/2011 1.45
8/6/2011 T
8/7/2011 0.09
8/8/2011 0.00
8/9/2011 0.00
8/10/2011 0.07
8/11/2011 0.00
8/12/2011 0.04
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.00
8/16/2011 1.39
8/17/2011 0.00
8/18/2011 0.02
8/19/2011 0.69
8/20/2011 0.24
8/21/2011 0.00
8/22/2011 0.00
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.00
8/27/2011 0.00
8/28/2011 0.01
8/29/2011 0.00
8/30/2011 0.06
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.00
9/3/2011 0.00
9/4/2011 1.05
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.09
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.06
9/14/2011 0.79
9/15/2011 0.00
9/16/2011 0.00
9/17/2011 0.16
9/18/2011 0.15
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.00
9/24/2011 0.00
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.00
9/28/2011 0.00
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/2/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/3/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/4/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/5/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/6/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/7/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/8/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/9/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/10/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/11/2010 12:59 AM 0.01 0.0 0.00 0.0 0.00 10/11/2010 0.01 inch was first measurable rain at Columbia 0.6 W, since 0.01 inch morning 09/26/2010. However, University of Missouri Agricultural Experiment Station at Sanborn Field and Columbia MO Regional Airport recorded only a trace.
10/12/2010 12:59 AM 0.06 0.0 0.00 0.0 0.00 Another low/mid troposphere disturbance moved north/northeast across middle Missouri 12:01AM - 3:00AM CST 10/12/2010, causing light/brief moderate rain.
10/13/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/14/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/15/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/16/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/17/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/18/2010 12:59 AM 0.01 0.0 0.00 0.0 0.00
10/19/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/20/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/21/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/22/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/23/2010 12:59 AM 0.11 0.0 0.00 0.0 0.00
10/24/2010 12:59 AM 0.01 0.0 0.00 0.0 0.00
10/25/2010 12:59 AM 0.04 0.0 0.00 0.0 0.00
10/26/2010 12:59 AM 0.22 0.0 0.00 0.0 0.00
10/27/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/28/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/29/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/30/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
10/31/2010 12:59 AM T 0.0 0.00 0.0 0.00 Only a few drops were observed.
11/1/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
11/2/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
11/3/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
11/4/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
11/5/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
11/6/2010 12:59 AM 0.00 0.0 0.00 0.0 0.00
11/7/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/8/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/9/2010 11:59 AM 0.00 0.0 0.00 0.0 0.00
11/10/2010 11:59 PM 0.02 0.0 0.00 0.0 0.00 .02 at Columbia 0.6 W was first measurable rain since 10/26/2010.
11/11/2010 11:59 AM 0.05 0.0 0.00 0.0 0.00
11/12/2010 11:59 PM 0.48 0.0 0.00 0.0 0.00 Three mid-troposphere disturbances moved northeast and east across middle Missouri 11/12/2010, causing welcome mainly light RAIN. Amounts were 0.25 inch to 0.55 inch.
11/13/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00 OVC to BKN SC persisted until sunset; however, no rain was observed.
11/14/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00 There was a heavy earlier morning FROST in mid city Columbia MO!
11/15/2010 11:59 PM T 0.0 0.00 0.0 0.00
11/16/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/17/2010 11:59 PM 0.33 0.0 0.00 0.0 0.00 Mid troposphere disturbance moved east southeast across middle/southern Missouri evening and night 11/17/2010, causing light rain. Known amounts varied from 0.06 inch to 0.33 inch.
11/18/2010 11:59 PM 0.02 0.0 0.00 0.0 0.00
11/19/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/20/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/21/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/22/2010 11:59 PM 0.25 0.0 0.00 0.0 0.00 Two rather intense mid/upper troposphere disturbances moved northeast across across central Missouri afternoon 11/22/2010, causing moderate/briefly heavy rains and isolated thunderstorms. 55F - 60F dew point temperatures fell to more seasonal 33F - 38F. 71F - 75F late morning maximums became 35F - 39F midnight minimums.
11/23/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/24/2010 11:59 PM 0.36 0.0 0.00 0.0 0.00 Mid/upper troposphere disturbance moved northeast across middle Missouri 4AM - 10PM Wednesday 11/24/2010, causing light/moderate briefly heavy rain and few thunderstorms. Besides 0.36 inch at Columbia 0.6 W, 0.35 inch was reported at University of Missouri AES Sanborn Field, 0.77 inch at Columbia Regional Airport, 1.00 inch at Jefferson City Memorial Airport.
11/25/2010 11:59 PM 0.01 0.0 0.00 0.0 0.00
11/26/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/27/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/28/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
11/29/2010 11:59 PM 0.22 0.0 0.00 0.0 0.00 Mid troposphere disturbance moved east/northeast across central Missouri late morning/early afternoon 11/29/2010, causing light/occasionaly moderate rain. Know amoounts were 0.25 inch or less.
11/30/2010 11:59 PM T T 0.00 0.0 0.00 The first snowfall of the season for most north and central Missouri locales fell on 11/30/2010 in the form of snow flurries.
12/1/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/2/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/3/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/4/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/5/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/6/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/7/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/8/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/9/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/10/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/11/2010 11:59 PM 0.35 1.8 0.09 2.0 0.09
12/12/2010 11:59 PM 0.02 0.4 0.02 2.0 0.11
12/13/2010 11:59 PM 0.00 0.0 0.00 1.5 0.08
12/14/2010 11:59 PM 0.00 0.0 0.00 1.0 0.05
12/15/2010 11:59 PM 0.01 0.0 0.00 1.0 0.05 Patchy drizzle/occasional freezing drizzle fell late afternoon, evening/early night across mid Missouri.
12/16/2010 11:59 AM 0.00 0.0 0.00 1.0 0.05
12/17/2010 11:59 PM 0.00 0.0 0.00 0.5 0.03
12/18/2010 11:59 PM 0.00 0.0 0.00 0.5 0.02 WSR-88D regional loops indicated scattered very light SNOW/mixed precipitation aloft moving east north of I-70, during evening/night 12/18/2010 and eary morning 12/19/2010. However, the only reports of any precipitation reaching the surface were from west Missouri(Kansas City metro area).
12/19/2010 11:59 PM T T T T 0.01 Few Flakes fell early morning 12/19/2010. However, afternoon maximum temperatures reached 42F - 45F, leaving on trace amounts of snow on ground.
12/20/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00 45F - 50F afternoon maximum temperatures melted the remaining snow on the ground thrughout central Missouri.The only remaining snow is on the sides of roads and parking lots that was removed earlier, after the last storm ended.
12/21/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/22/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/23/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00
12/24/2010 11:59 PM 0.53 4.4 0.53 3.5 0.44 Christmas Eve(12/24/2010)mid Missouri snowfall was completely different considering liquid water content compare/contrast to 12/11 - 12/12/2010 mid Missouri snowfall. 12/11 - 12/12/2010 snowfall had a ratio of .05 inch to 1.0 inch snow. 12/24/2010 had a ratio of .12 inch to 1.9 inch snow.
12/25/2010 11:59 PM T T T 3.0 0.36
12/26/2010 11:59 PM 0.01 0.1 0.01 3.0 0.33 A weak low/mid troprosphere disturbance moved south south southwest early morning Sunday 12/26/2010, trace to 0.2 snow amounts across mid Missouri.
12/27/2010 11:59 PM 0.00 0.0 0.00 2.5 0.27
12/28/2010 11:59 PM 0.00 0.0 0.00 1.5 0.17
12/29/2010 11:59 PM 0.04 0.0 0.00 0.0 0.00 Occasional very light rain occurred 9:00AM to 11:30AM, After occasional very light rain ended, temperatures continued to warm during evening and night to 48F - 50F by 12 midnight CST, melting the remaining snow on ground throughout middle Missouri.
12/30/2010 11:59 PM 0.00 0.0 0.00 0.0 0.00 "Spring-like" showers and thunderstorms are moving northeast across southwest and central Missouri early morning 12/31/2010.
12/31/2010 11:59 PM 1.27 0.0 0.00 0.0 0.00
1/1/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00 Unseasonably COLD temperatures but clear skies were the rule for the first day of 2011!!
1/2/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
1/3/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
1/4/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
1/5/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
1/6/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
1/7/2011 11:59 PM 0.01 0.1 0.01 0.0 0.00 Light Snow - horizontal visibilities 1 to 3 miles melted as it fell occurred 1455CST - 1510CST. Snow Pellets - ~50% melted as they fell occurred 1511CST - 1540CST.
1/8/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00 A TRACE os SNOW was recorded at Columbia MO Regional Airport.
1/9/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
1/10/2011 11:59 PM 0.38 5.0 0.38 5.0 0.38 Although storm total snowfall has ended in mid Missouri at the time of this report, accumulation snowfall continued until 3AM CST. A final storm total report will be sent when melted value from core is determined.
1/11/2011 11:59 PM 0.04 0.7 0.04 5.5 0.42 Although accumulating snow ended 4:00AM CST, occassional very light snow and snow flurries throughout the late morning and afternoon.
1/12/2011 11:59 PM 0.00 0.0 0.00 5.5 0.42 Although no known new snow was recorded at Columbia 0.6 W, a trace of snow was recorded at Columbia Regional Airport MO ASOS.
1/13/2011 11:59 PM 0.00 0.0 0.00 4.0 0.32 Afternoon temperatures 25F to 29F began to melt some of the mid Missouri snow cover.
1/14/2011 11:59 PM 0.00 0.0 0.00 3.0 0.24 In spite of BKN AS/OVC CS, afternoon temperatures 33F to 35F continued to melt mid Missouri snow cover.
1/15/2011 11:59 PM 0.00 0.0 0.00 3.0 0.24 BkN CI/OVC CS and west to northwest winds 5 to 10 mph slowed mid Missouri snow melt Saturday 1/15/2011.
1/16/2011 11:59 PM 0.00 0.0 0.00 2.5 0.20
1/17/2011 11:59 PM 0.07 0.0 0.00 0.5 0.04 Afternoon maximum temperatures 40F to 44F and dew points 37F to 39F melted most of the mid Missouri snow on the ground prior to light evening rain.
1/18/2011 11:59 PM 0.00 0.0 0.00 T T
1/19/2011 11:59 PM 0.73 8.7 0.73 8.5 0.73 Another significant SNOW began falling across mid Missouri 3:30PM - 4:30PM 1/19/2011, continuing until 2AM 1/20/2011. The liquid water content was similar to 1/10 - 1/11/2011 mid Missouri snowfall - 0.08 to 1 inch ratio.
1/20/2011 11:59 PM 0.04 0.6 0.04 8.5 0.77
1/21/2011 11:59 PM 0.05 1.0 0.05 8.5 0.75 Occasional very light/light snow(horizontal visibilities 2 - 6 miles) fell again across mid Missouri 1:15PM - 10:15PM CST 1/21/2011.
1/22/2011 11:59 PM 0.00 0.0 0.00 6.5 0.54
1/23/2011 11:59 PM 0.03 0.5 0.03 6.0 0.45 I apologize for late report; however, I could NOT connect to CenturyLink internet from 1AM 1/24/2011 to 7PM 1/24/2011!!
1/24/2011 12:59 PM 0.00 0.0 0.00 5.0 0.40
1/25/2011 11:59 PM 0.00 0.0 0.00 4.0 0.32
1/26/2011 11:59 AM 0.00 0.0 0.00 4.0 0.31 In soite of afternoon maximum temperatures 35F - 37F, Columbia 0.6 W snow on the ground decreased only from average depth of 4.2 inches to 3.8 inches.
1/27/2011 11:59 PM 0.00 0.0 0.00 2.5 0.20 Finally, mid Missouri experienced significant melting of snow on the ground! The major caused of the melting was afternoon maximum temperatures 40F - 44F.
1/28/2011 11:59 PM 0.00 0.0 0.00 1.0 0.08 1.0(to nearest half inch)is average among areas where snow on the ground has melted completely and those north locales where ~2.0 inches remains.
1/29/2011 11:59 PM 0.00 0.0 0.00 0.5 0.04
1/30/2011 11:59 PM 0.00 0.0 0.00 0.5 0.04
1/31/2011 11:59 PM 0.12 0.0 0.00 0.5 0.04 The precipitation that fell 7:00AM - 11:00AM CST and 1PM - 4PM CST 1/31/2011 over mid Missouri was primarily in the form freezing rain and freezing drizzle. A brief period of ice pellets/sleet was observed 9:30AM - 10:00AM CST 1/31/0211.
2/1/2011 11:59 PM 1.43 15.1 1.43 15.0 1.43 14 to 19 inch snowfalls broke records throughout mid Missouri 2/01/2011. According to my measurements adn computations, storm total water to snow ratio was 0.095 or very close to 0.10 inch water to 1 inch snow.
2/2/2011 11:59 PM 0.01 0.1 0.01 14.0 1.33 ~1.0 inch of 2/01/2011 total snow depth lost due to compaction and sublimation.
2/3/2011 11:59 PM 0.00 0.0 0.00 13.0 1.24 Again, ~1.0 inch of snow lost to compaction and sublimation.
2/4/2011 11:59 PM T T T 11.5 1.10
2/5/2011 11:59 AM 0.09 1.0 0.09 10.0 0.95 As temperatures have risen to 35F to 40F afternoon, evening, night and are currently 34F to 37F, considerable melting of snowpack has occurred and continues.
2/6/2011 11:59 PM 0.00 0.0 0.00 8.0 0.76 Considerable melting continued 2/06/2010, especially during moring prior to wind shift to northwest.
2/7/2011 11:59 PM T T T 7.0 0.67 Although I observed snow flurries at other times throughout day 2/07/2011, 1655CST to 1715CST was the only time period they were observed at Columbia 0.6 W.
2/8/2011 11:59 PM 0.00 0.0 0.00 7.0 0.67
2/9/2011 11:59 PM 0.03 0.4 0.03 6.5 0.62 Since snow is still falling, new snow and liquid water content are estimates. Corrected totals will be sent when snow ends and H2O content is actually determined. 0.4 inch snowfall and 0.03 H2O equivalent are the final totals.
2/10/2011 11:59 PM 0.00 0.0 0.00 6.0 0.54
2/11/2011 11:59 PM 0.00 0.0 0.00 5.0 0.45
2/12/2011 11:59 PM 0.00 0.0 0.00 2.0 0.18 Extensive melting of mid missouri snow on the ground occurred Saturday 2/12/2010, as afternoon maximum temperatures reached 46F - 53F!!
2/13/2011 11:59 PM 0.00 0.0 0.00 0.5 0.05 Maximum temperatures 53F to 63F have have nearly melted all mid Missouri snow on the ground. However, piles of snow 1 to 6 feet stil remain on parking lots and besides cleared driveways.
2/14/2011 11:59 PM 0.00 0.0 0.00 T 0.02
2/15/2011 11:59 PM 0.00 0.0 0.00 T 0.10 In spite of overnight minimums above 32F and afternoon maximums 54F to 64F, a very few patches of snow remain on the ground mainly north sides if buildings.
2/16/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00 66F to 70F 2/16/2011 afternoon maximum temperatures and 55F to 59F 2/17/2011 early morning temperatures have finally officially melted all mid Missouri snow on the ground!!
2/17/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00 2/17/2011 74F - 78F record mid Missouri maximum temperatures has melted remaining snow cover, including piles on parking lots and besides sidewalks/streets!!!
2/18/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00 WSR-88D regional reports indicate scattered very light rain over mid Missouri 2/19/2011 morning, as WARM front moves northeast across area. however, there is no evidence that rain has reached ground at Columbia 0.6 W.
2/19/2011 11:59 PM 0.31 0.0 0.00 0.0 0.00 Scattered moderate occasionaly heavy rain accompanied by a few isolated elevated thunderstorms moved east northeast ahead of a WARM front across mid Missouri 6:30PM - 8:05PM 2/19/2011. However, rainfall totals varied from 0.03 inch at Columbia MO Regional Airport to 0.42 inch at Lake of the Ozarks MO.
2/20/2011 11:59 PM 0.14 0.0 0.00 0.0 0.00
2/21/2011 11:59 PM 0.31 0.0 0.00 0.0 0.00
2/22/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
2/23/2011 11:59 PM 0.05 0.0 0.00 0.0 0.00 Very light rain/occasionally freezing began falling over southwest and central sections of Missouri early morning 2/23/2011. However, most of the precipitation was ALOFT. An updated prcipitation report will be sent later morning 2/23/2011.
2/24/2011 12:01 AM 0.95 3.3 0.95 3.0 0.95 Snow and ice pellets(1.1 inch) fell Columbia MO between 11:30AM and 2:30 2/24/2011. Occasional light rain fell Columbia MO between 3:00PM and 5:00PM 2/24/2011. Mainly snow and a few ice pellets at beginning of precipitation period(2.2 inch) fell Columbia MO between 8:20PM and 12midnight 2/24/2011.
2/25/2011 11:59 PM T T T 2.5 0.85
2/26/2011 11:59 PM 0.05 0.0 0.00 1.0 0.30 Precipitation Saturday 2/26/2011 was in the form very ocassional very light rain and drizzle.
2/27/2011 11:59 PM 0.55 0.0 0.00 0.0 0.00
2/28/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/1/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/2/2011 11:59 AM 0.00 0.0 0.00 0.0 0.00
3/3/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/4/2011 11:59 PM 0.55 0.0 0.00 0.0 0.00 According to Davis Instrument Vantage Pro 2 Rainfall Rate indicator, the rain rate reached 3.47 inches per hour at 1531CST or 3:31PM CST!!!
3/5/2011 11:59 PM 0.01 0.0 0.00 0.0 0.00
3/6/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/7/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/8/2011 11:59 PM 0.74 0.0 0.00 0.0 0.00
3/9/2011 11:59 PM 0.03 0.0 0.00 0.0 0.00
3/10/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/11/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/12/2011 11:59 PM 0.00 0.0 0.00 0.0 0.00
3/13/2011 12:59 AM 0.18 0.9 0.12 0.5 0.10 The Rain and melted Snow plus accumulated new Snow are estimates 06Z 3/14/2011. Official amounts for Columbia 0.6 W will be sent once precipitation ends. Precipitation has been in the form rain, ice pellets and large wet snowflakes.
3/14/2011 12:59 AM 1.14 6.1 0.73 4.0 0.48 Snow, Rain, ice Pellets fell 0000 - 0600CST 3/14/2011. Light to Moderate Snow fell 0601 -1030CST 3/14/2011. Moderate occasionaly Heavy Snow /brief ice pellets diminishing to light Snow fell 1031 - 1800CST 3/14/2011.
3/15/2011 12:59 AM 0.00 0.0 0.00 T 0.05
3/16/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
3/17/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
3/18/2011 12:59 AM 0.06 0.0 0.00 0.0 0.00 1/4 inch to 3/8 inch HAIL occurred along with brief moderate/heavy rain 9:18AM - 9:27AM CDT at Columbia 0.6 W. A timely CoCoRaHS Network Hail report was made! Although observed by WSR-88D LSX, No lightning was seen or thunder heard at Columbia 0.6 W.
3/19/2011 12:59 AM 0.31 0.0 0.00 0.0 0.00
3/20/2011 12:59 AM 0.03 0.0 0.00 0.0 0.00 (edit: daily precip. initially recorded as 0.03". changed to NA due to incongruity with nearby stations. most likely a decimal error. observer contacted. P.G.) 0.03 inch was the actual amount recorded at Columbia MO 0.6 W on 3/20/2011 0440 - 0510CST.
3/21/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
3/22/2011 12:59 AM T 0.0 0.00 0.0 0.00
3/23/2011 12:59 AM 0.01 0.0 0.00 0.0 0.00 North Columbia and Boone county Missouri was on extreme south end of west to east moving squall line 2:45 - 3:00AM CST 3/23/2011.
3/24/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
3/25/2011 12:59 AM 0.26 0.4 0.08 0.0 0.00 Precipitation began snow changed to ice pellets or sleet and ended as rain. Intensities were very light to light.
3/26/2011 12:59 AM 0.28 3.1 0.28 2.5 0.25 Low/mid troposphere disturbance moving east across west central/middle Missouri/east central Missouri caused 2 to 4 inch early spring snowfalls.
3/27/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 Although SUN 3/27/2011 Mid Missouri maximum temperatures were only 40F - 45F, they were warm enough to completely melt the remaining snow cover. Overnight rain/snow was mainly south/southwest of I-70.
3/28/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
3/29/2011 12:59 AM 0.03 0.0 0.00 0.0 0.00 Weak mid/upper troposphere disturbance moving east across mid Missouri afternoon/evening finally caused light rain at the surface 8PM - 12midnight CST 3/29/2011.
3/30/2011 12:59 AM 0.06 0.0 0.00 0.0 0.00 Occasional very light rain continued 12 midinght - 3AM CST 3/30/2011.
3/31/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/1/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/2/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/3/2011 12:59 AM 0.33 0.0 0.00 0.0 0.00
4/4/2011 12:59 AM 0.04 0.0 0.00 0.0 0.00 (edit: daily precip. initially recorded as 0.04". changed to NA due to discrepancy with nearby stations. observer contacted. P.G.) ) 0.37 is the is the acual amount observed from 2139 CST 4/03/2011 to 0130 CST 4/04/2011. 0.04 is acual amount observed from 12 midnight CST to 0130 CST 4/04/2011!!!!
4/5/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/6/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/7/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/8/2011 12:59 AM 0.61 0.0 0.00 0.0 0.00
4/9/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/10/2011 12:59 AM 0.06 0.0 0.00 0.0 0.00
4/11/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/12/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/13/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/14/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/15/2011 12:59 AM 0.90 0.0 0.00 0.0 0.00 Light/moderate/occasionally heavy RAIN has been falling across middle Missouri southwest sections since 1AM CST an across the reminder of mid MO since 2AM CST. This rain report is only an estimate light/occasionally moderate RAIN is still falling. A official measurement for 4/15/2011 will be at 11:59PM CST or 0559Z/GMT.
4/16/2011 12:59 AM 0.03 0.0 0.00 0.0 0.00
4/17/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/18/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/19/2011 12:59 AM 0.21 0.0 0.00 0.0 0.00
4/20/2011 12:59 AM T 0.0 0.00 0.0 0.00
4/21/2011 12:59 AM 0.11 0.0 0.00 0.0 0.00 Low/mid troposphere disturbances moving east across central and southern Missouri caused scattered very light/light rain and a few thunderstorms evening/night 4/21/2011 continuing early morning 4/22/2011.
4/22/2011 12:59 AM 0.50 0.0 0.00 0.0 0.00 WSR-88D regional reports indicate that more rain cells are moving into west central Missouri from Kansas. An final report for 4/22/2011 will be made after 11:59PM CST 4/23/2011 which will reflect any additional RAIN.
4/23/2011 12:59 AM T 0.0 0.00 0.0 0.00
4/24/2011 12:59 AM 0.02 0.0 0.00 0.0 0.00
4/25/2011 12:59 AM 0.40 0.0 0.00 0.0 0.00 Moderate/heavy rains, along with flash flooding remains over south third of Missouri and north third of Arkansas.
4/26/2011 12:59 AM 0.13 0.0 0.00 0.0 0.00 Rainfall 11:35PM - 11:50PM CST 4/26/2011 was not measurable.
4/27/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/28/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/29/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
4/30/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/1/2011 12:59 AM 0.29 0.0 0.00 0.0 0.00
5/2/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/3/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/4/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/5/2011 12:59 AM 0.09 0.0 0.00 0.0 0.00
5/6/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/7/2011 12:59 AM 0.03 0.0 0.00 0.0 0.00
5/8/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/9/2011 12:59 AM 0.01 0.0 0.00 0.0 0.00 Columbia 0.6 W was on extreme south border of Mesoscale Convective Complex(MMC)that was associated with moderate/heavy rain(0.89 inch)at Moberly and Macom Missouri.
5/10/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/11/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/12/2011 12:59 AM 1.45 0.0 0.00 0.0 0.00 Mesoscale convective complex moving northeast to east across middle Missouri 6:30PM - 12Midnight CST 5/12/2011 caused locally moderate/heavy RAIN and THUNDERSTORMS/isolated SEVERE.
5/13/2011 12:59 AM 0.65 0.0 0.00 0.0 0.00 Yet another Mesoscale convective complex(MCC)moved slowly south across middle Missouri early afternoon 5/13/2011 causing scattered thunderstorms, moderate/heavy rain, flash urban and rural flooding.
5/14/2011 12:59 AM 0.01 0.0 0.00 0.0 0.00
5/15/2011 12:59 AM 0.27 0.0 0.00 0.0 0.00 Very light to light rain moved south/southest across middle and east central Missouri afternoon/early evening 5/15/2011.
5/16/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/17/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/18/2011 12:59 AM T 0.0 0.00 0.0 0.00 Although regional WSR-88D Image Loops indicated widely scattered very light rain moving east across middle Missoouri along and south of I-70 afternoon/evening WEDnesday 5/18/2011, most precipitation remain aloft! The only known measurable rainfall was along/west of I-44.
5/19/2011 12:59 AM 0.22 0.0 0.00 0.0 0.00 Rain has ended Columbia MO temporarily. WSR-88D Pleasant Hill/Kansas City MO indicates more is moving east into middle Missouri. More very light/light rain did indeed move east across middle Missouri late morning/early afternoon 5/19/2011.
5/20/2011 12:59 AM 1.08 0.0 0.00 0.0 0.00 Mid/upper troposhere disturbance moving north northeast then east northeast across middle Missouri caused copious amounts of RAIN and scattered THUNDERSTORMS late morning/afternoon/early evening 5/20/2011!!!
5/21/2011 12:59 AM 0.01 0.0 0.00 0.0 0.00 0.01 inch at Columbia 0.6 W occurred as scattered very light rain moved north along a WARM FRONT across middle Missouri early morning 5/21/2011.
5/22/2011 12:59 AM 0.38 0.0 0.00 0.0 0.00 Strong upper troposphere disturbance moving east across middle Missouri late AFTERNOON/EVENING 5/22/2011 caused brief moderate/HEAVY RAIN, SEVERE THUNDERSTORMS, including strong straight line winds and HAIL, several TORNADOES detected by WSR-88D and trained spotters.
5/23/2011 12:59 AM 0.14 0.0 0.00 0.0 0.00 Again, an east moving mesoscale convective complex(MCC) was associated with light/moderate occasionally heavy rain, scattered THUNDERSTORMS to central and south sections of Missouri.
5/24/2011 12:59 AM 0.33 0.0 0.00 0.0 0.00 Upper troposphere disturbance and associated mesoscale convective complex(MCC) moved east along and north I-70 causing brief moderate/heavy RAINS and scattered THUNDERSTORMS, afternoon 5/24/2011.
5/25/2011 12:59 AM 1.90 0.0 0.00 0.0 0.00 Upper troposphere disturbances and associated Mesoscale Convective Complexes(MCCs)have continued to move east northeast and northeast across most of Missouri throughout 5/25/2011 causing moderate/heavy RAINS/FLASH FLOODING, scattered THUNDERSTORMS/few reaching SEVERE limits, and isolated TORNADOES dected by WSR-88D regional image loops. Also, there was another period(1657CST - 1707CST) of light rain 5/25/2011.
5/26/2011 12:59 AM 0.07 0.0 0.00 0.0 0.00 Scattered very light/light RAIN moving sout to west of upper troposphere LOW that caused severe thunderstorms and TORNADOES afternoon 5/25/2011.
5/27/2011 12:59 AM T 0.0 0.00 0.0 0.00 Time of trace occurrence is reasonably accurate based upon regional WSR-88D image loops. There was no known evidence to trace amount at the surface. 5/27/2011 Trace occurrence breaks a string 8 consecutive days of measurable rain at Columbia 0.6 W.
5/28/2011 12:59 AM 0.03 0.0 0.00 0.0 0.00 Scattered very light rain moved east across middle Missouri early morning 5/28/2011.
5/29/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 5/29/2011 was the first day since 5/17/2011 when neither a trace nor measurable rain occurred at Columbia 0.6 W.
5/30/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
5/31/2011 12:59 AM 0.17 0.0 0.00 0.0 0.00 0.17 was decided as official after 4 inch gauge was re-read prior to empty.
6/1/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/2/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/3/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/4/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/5/2011 12:59 AM T 0.0 0.00 0.0 0.00
6/6/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/7/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/8/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/9/2011 12:59 AM T 0.0 0.00 0.0 0.00 Therr was measurable rain(.01 inch)at University of Missouri Agricultural Experiment Station Sanborn Field(~4 miles southeast of Columbia 0.6 W).
6/10/2011 12:59 AM 0.12 0.0 0.00 0.0 0.00 First measurable rain at Columbia 0.6 W and other middle Missouri station locales since 5/31/2011.
6/11/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/12/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/13/2011 12:59 AM 0.42 0.0 0.00 0.0 0.00 Mesoscale Convective Complex of scattered thunderstorms/few severe accompaned by moderate/heavy rain, 1/4 to 1 inch diameter hail and frequent cloud to ground lightning moved across sections of middle Missouri counties of Boone, Cole and Audrain 5AM - 5:45AM CST 6/13/2011.
6/14/2011 12:59 AM 0.08 0.0 0.00 0.0 0.00
6/15/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/16/2011 12:59 AM 0.01 0.0 0.00 0.0 0.00
6/17/2011 12:59 AM 0.32 0.0 0.00 0.0 0.00 Mesoscale Convective Complexes(MCCs)moved east north of a warm front morning 6/17/2011.
6/18/2011 12:59 AM 0.50 0.0 0.00 0.0 0.00 Mesoscale Convective Complexes(MCCs) moved east along a quasi-stationary front early morning 6/18/2011. Also, MCCs moved east along and south of I-70 during evening and night 6/18/2011.
6/19/2011 12:59 AM 0.07 0.0 0.00 0.0 0.00 Additional occasional very light rain after 0213CST was not measurable at Columbia 0.6 W.
6/20/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/21/2011 12:59 AM 0.05 0.0 0.00 0.0 0.00 East southeast moving squall line developed over western Missouri late night 6/20/2011, causing only scattered light rain but wind gusts 30 to 40 mph over west central Missouri. More scattered light rain moved east across central Missouri 0250 - 0350CST.
6/22/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/23/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/24/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/25/2011 12:59 AM T 0.0 0.00 0.0 0.00
6/26/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/27/2011 12:59 AM 2.07 0.0 0.00 0.0 0.00 Moderate/HEAVY RAIN(2 - 3 inches/hour)accompanied by FREQUENT CLOUD TO GROUND LIGHTNING was still occurring at Columbia 0.6 W when I left gauge site to come to University of Missouri Engineering Building West at 7:04AM CDT. The Mesoscale Convective Complexes(MCCs)containing moderate/heavy rain and scattered thunderstorms finally moved southeast and east of middle Missouri 8:00-8:30AM CDT 6/27/2011.
6/28/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/29/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
6/30/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/1/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/2/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/3/2011 12:59 AM 0.67 0.0 0.00 0.0 0.00 Two mesoscale complexes of moderate/heavy showers and scattered thunderstorms moved east southeast along and south of a quasi-stationary front Sunday 7/03/2011 afternoon. 7/03/2011 toal rainfall changed to 0.67 inch, since actual gauge reading was 0.665.
7/4/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/5/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/6/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/7/2011 12:59 AM 0.14 0.0 0.00 0.0 0.00 There was another period of occasional very light rain or "sprinkles" 0935-0940CST; this period was not measurable at Columbia 0.6 W or other known reporting sites in vicinity.
7/8/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/9/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/10/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/11/2011 12:59 AM 0.04 0.0 0.00 0.0 0.00 Widely scattered showers and isolated thunderstorms moving north northeast across middle Missouri 5:30-6:30AM CST 7/11/2011 caused light briefly moderate rain at some reporting locales. 4 inch gauge read initially read in haste. Actual 4 inch gauge reading was 0.035 which would round to 0.04 inch.
7/12/2011 1:00 AM 0.65 0.0 0.00 0.0 0.00 Mesoscale Convctive Complexes(MCCs)moved east southeast across middle Missouri 8:30PM - 12midnight CST Tuesday 7/12/2011, continuing into early morning WWED 7/13/2011, causing moderate/occasionally heavy rain and scattered thunderstorms.
7/13/2011 12:59 AM 0.14 0.0 0.00 0.0 0.00
7/14/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/15/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/16/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/17/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/18/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/19/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/20/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/21/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/22/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 Isolated showers and thunderstorms developed south southeast over south central Missouri during mid to late afternoon Friday 7/22/2011. However, these WSR-88D cells dissipated prior to reaching middle Missouri. Rolla National Airport report 0.62 inch during one hour period middle/late afternoon 7/22/2011.
7/23/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 Isolated thunderstorm cell formed `10miles northeast of dowtown Columbia Missouri 1620-1650CST SAT 7/23/2011. Howevr, this thunderstorm cell evwntually weakened and moved slowly southeast. Although lightning was seen and thunder heard, There are no known reports of measurable rainfall.
7/24/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 Again isolated showers over middle Missouri early morning SUN 7/24/3022. In fact measurable rain (~0.01) northwest University of Missouri campus (~1.1 mile southeast Columbia 0.6 W.
7/25/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/26/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/27/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/28/2011 12:59 AM 0.08 0.0 0.00 0.0 0.00 Evening isolated showers and thunderstorms across north and central sections of Columbia Missouri was first mesurable rain at Columbia 0.6 W, since mornng of 7/13/2011.
7/29/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
7/30/2011 12:59 AM 0.17 0.0 0.00 0.0 0.00 Lower/middle troposphere disturbance moved east southeast across middle Missouri 0800-1300 CST 7/30/2011, causing scattered mainly light rain.
7/31/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/1/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/2/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 8/02/2011 was the hottest day of the year 2011 for many middle Missouri locales. Max temp of 109.4F was reached at Columbia 0.6 W at 1526 CST. Columbia Regional Airport set a new 8/02/2011 official maximum of 108F, breaking the old record of 104F.
8/3/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/4/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 Although scattered showers and isolated thunderstorms moved east across middle Missouri 8AM-10AM CST 8/04/2011, no measurable rain occurred at Columbia 0.6 W and University of Missouri Agricultural Experiment Station-Sanborn Field. There was no indication of a trace in the 4 inch gauge at columbia 0.6 W. Furhter south/aouthwest/west, amounts range from 0.01 at Columbia Regional Airportto 0.09 inch at Jefferson City Memorial Airport to 0.29 inch at Rolla Nnational Airport to 0.79 inch at Lake of the Ozarks Missouri.
8/5/2011 12:59 AM 1.45 0.0 0.00 0.0 0.00
8/6/2011 12:59 AM T 0.0 0.00 0.0 0.00 Weak mid-troposphere disturbance moved east southeast across central Missouri, causing widely scattered very light rain. Most locales reported only trace to 0.01 inch.
8/7/2011 12:59 AM 0.09 0.0 0.00 0.0 0.00
8/8/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 Although there were trace to 0.01 inch, 0.02 inch amounts recorded at a few west central to central Missouri locales, not a trace was observed at Columbia 0.6 W.
8/9/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/10/2011 12:59 AM 0.07 0.0 0.00 0.0 0.00
8/11/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/12/2011 12:59 AM 0.04 0.0 0.00 0.0 0.00 Columbia 0.6 W rain 1200 - 1420CST was intermittent, very very light.
8/13/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/14/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/15/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/16/2011 12:59 AM 1.39 0.0 0.00 0.0 0.00 Two or three Messoscale Convective Complexes and associated scattered thunderstorms and moderate/heavy rain moved slowly east southeast across central Missouri 7AM - 1:30PM CST 8/16/2011.
8/17/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/18/2011 1:00 AM 0.02 0.0 0.00 0.0 0.00
8/19/2011 12:59 AM 0.69 0.0 0.00 0.0 0.00 Mesoscale Convective Complex and assciated frequent cloud to ground lightning, 40-70mph straight line winds, moderate to heavy rains moved southeast across northwest, northcentral, westcentral, central and southcentral Missouri 11:30PM CST 8/18/2011 to 3:30AM CST 8/19/2011.
8/20/2011 12:59 AM 0.24 0.0 0.00 0.0 0.00 Yet another mesoscale convective complex and associated scattered thunderstorms and moderate/heavy rain moved east southeast across northwest, west, central Missouri 1AM-7AM CDT 8/20/2011. Very weak low/mid troposphere disturbance moved east across west and central Missouri 4PM-7Pm CDT 8/20/2011, causing occasional very light rain.
8/21/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/22/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/23/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/24/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/25/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/26/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/27/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/28/2011 12:59 AM 0.01 0.0 0.00 0.0 0.00 Relative weak mid/upper troposphere disturbance moved southeast from east South Dakota during the afternoon 8/28/2011, causing scattered showers and a few thunderstorms.known amounts ranged from trace to 0.02.
8/29/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
8/30/2011 12:59 AM 0.06 0.0 0.00 0.0 0.00
8/31/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/1/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/2/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/3/2011 1:00 AM 0.00 0.0 0.00 0.0 0.00 Mesoscale convective system, associated light/moderate/heavy rains, few thunderstorms moved east across west central/central Misoouri, along/south of I-70 evening/night 9/03/2011 and continues across central into east central Missouri early morning 9/04/2011.
9/4/2011 12:59 AM 1.05 0.0 0.00 0.0 0.00 Mesoscale convective system ahead of a marked COLD front northeast to southwest across Missouri and assocated light/moderate rain and isolated thunderstorms has finally moved east into east central Missouri. Columbia 0.6 W 9/04/2011 total rainfall oficially recorded as 0.25 inch!!
9/5/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/6/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/7/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/8/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/9/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/10/2011 12:59 AM 0.09 0.0 0.00 0.0 0.00 Mid/upper troposphere disturbances moving northeast to southwest across east central and central Missouri caused periods of light/briefly moderate rain and isolated thunderstorms 9/10/2011.
9/11/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/12/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/13/2011 12:59 AM 0.06 0.0 0.00 0.0 0.00 Mesoscale convective complex and associated moderate/heavy rain and scattered thunderstorms developed along and north of a marked COLD 10PM to midnight CST.
9/14/2011 12:59 AM 0.79 0.0 0.00 0.0 0.00 Mesoscale convective complexes and associated light/moderate/occasionally heavy rain, scattered thunderstorms along and north of a marked COLD front continued to move across central/east central Missouri early morning 9/14/2011. Most known storm total amounts were 0.50 t0 1.50 inch.
9/15/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 There are known trace to 0.01 inch early morning 9/16/2011 rainfall amounts reported at Columbia MO Regional Airport and Sedalia MO Regional Regional Airport.
9/16/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/17/2011 12:59 AM 0.16 0.0 0.00 0.0 0.00 Small low/mid troposphere disturbances moved east acros middle Missouri along/north/south of I-70, causing light/moderate showers COLUMBIA/BOONE county to east central Missoouri.
9/18/2011 12:59 AM 0.15 0.0 0.00 0.0 0.00 A series of low/mid troposphere disturbances moved east and northeast across central Missouri 9/18/2011, occasional very light /light rain.
9/19/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/20/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/21/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00 Very weak mid tropospheere disturbance moved east across southwest and southcentral Missouri night 9/21/2011 into early morning 9/23/2011, causing scattered very light rain. However, no measurable rain or known trace amount was observed at Columbia 0.6 W and University of Missouri Agricultural Experiment Station at Sanborn Field.
9/22/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/23/2011 12:59 AM 0.00 0.0 0.00 0.0 0.03
9/24/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/25/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/26/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/27/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/28/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/29/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00
9/30/2011 12:59 AM 0.00 0.0 0.00 0.0 0.00



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground
3/18/2011 9:18 AM Brief moderate/heavy rainshowers accompanied by 1/4 inch and 3/8 inch diameter clear ice hail was tracked by WSR-88D LSX ~1 minute prior to occurrence at Columbia 0.6 W. 3/8" 1/4" Pea Size Rice Mixed|Clear Ice 9 1min no damage Continuous True After rain Same time as smaller hail 2
5/22/2011 6:03 PM HAIL, some stones 1 to 3 inches in diameter, was associated with SEVERE Thunderstorms moving east across middle Missouri late afternoon 5/22/2011! 1/2" Grape 3/8" 1/4" Pea Size Mixed|Clear Ice|White Ice 6 1min minor leaf damage Continuous True After rain After smaller hail 10-20 6 4
5/24/2011 4:02 PM Isolated Hailfail was was associated with relatively small Mesoscale Convective Complex(MCC) moving east along and north of I-70 mid afternoon 5/24/2011. 1/2" Grape 3/8" 1/4" Pea Size Mixed|White Ice 4 1min no damage Intermittent True After rain After smaller hail 4 4
6/13/2011 6:26 AM Hail occurence accompnied a Mesoscale Convective Complex of moderate/heavy rain and thunderstorms/few severe that moved sections of middle Missouri Counties of Boone, Cole and Audrain 6AM - 6:45AM CDT 6/13/2011. 1/2" Grape 3/8" 1/4" Pea Size Clear Ice|White Ice 1min no damage Continuous True After rain Same time as smaller hail 10-20 6 5