Station Overview Station Location
Station Number MD-HW-18 Latitude 39.2361
Station Name Columbia 2.3 N Longitude -76.8605
County Howard Elevation (ft) 407



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 3.71 5.01 31 5.01 31 0.00 0 0 9 3 0.0 0 0
Nov 10 3.61 2.08 30 2.08 30 0.00 0 0 7 3 0.0 0 0
Dec 10 3.48 2.03 31 2.03 31 0.00 0 0 7 2 2.3 4 6
Jan 11 3.15 2.67 31 2.67 31 0.00 0 0 12 3 15.1 9 18
Feb 11 2.95 2.66 28 2.66 28 0.00 0 0 11 2 3.5 1 16
March 11 4.03 5.44 31 5.44 31 0.00 0 0 12 2 0.0 0 0
April 11 3.54 4.75 30 4.75 30 0.00 0 0 16 2 0.0 0 0
May 11 4.47 3.06 31 3.06 31 0.00 0 0 15 4 0.0 0 0
June 11 3.89 0.80 30 0.80 30 0.00 0 0 9 6 0.0 0 0
July 11 3.99 6.22 31 6.22 31 0.00 0 0 10 2 0.0 0 0
Aug 11 3.35 9.70 31 9.70 31 0.00 0 0 15 2 0.0 0 0
Sept 11 4.04 12.64 30 12.64 30 0.00 0 0 18 4 0.0 0 0
Water Year Totals: 44.21" 57.06" 365 days 57.06" 365 0.00" 0 days 0 141 days 35 days 20.9" 14 days 40 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 2.33
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.48
10/5/2010 0.33
10/6/2010 T
10/7/2010 0.01
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 T
10/15/2010 0.79
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.39
10/20/2010 0.02
10/21/2010 T
10/22/2010 0.00
10/23/2010 0.00
10/24/2010 0.00
10/25/2010 0.00
10/26/2010 0.00
10/27/2010 0.43
10/28/2010 0.23
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.51
11/5/2010 0.69
11/6/2010 T
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 0.00
11/16/2010 0.14
11/17/2010 0.65
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.00
11/23/2010 0.00
11/24/2010 0.01
11/25/2010 0.05
11/26/2010 0.03
11/27/2010 T
11/28/2010 0.00
11/29/2010 0.00
11/30/2010 T
12/1/2010 0.39
12/2/2010 0.57
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 0.01
12/12/2010 0.49
12/13/2010 0.39
12/14/2010 T
12/15/2010 0.00
12/16/2010 0.00
12/17/2010 0.15
12/18/2010 0.00
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 0.00
12/22/2010 0.00
12/23/2010 0.00
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 T
12/27/2010 0.03
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.00
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.03
1/3/2011 0.03
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.01
1/8/2011 0.01
1/9/2011 0.01
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.21
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.46
1/19/2011 0.07
1/20/2011 0.00
1/21/2011 0.09
1/22/2011 T
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.30
1/27/2011 1.39
1/28/2011 T
1/29/2011 0.06
1/30/2011 T
1/31/2011 0.00
2/1/2011 0.02
2/2/2011 0.83
2/3/2011 0.02
2/4/2011 0.00
2/5/2011 0.07
2/6/2011 0.18
2/7/2011 0.00
2/8/2011 0.02
2/9/2011 T
2/10/2011 T
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 0.00
2/20/2011 0.00
2/21/2011 0.04
2/22/2011 0.70
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.36
2/26/2011 0.17
2/27/2011 0.00
2/28/2011 0.25
3/1/2011 0.29
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.06
3/7/2011 1.32
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.70
3/11/2011 1.69
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.63
3/17/2011 0.00
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.07
3/22/2011 0.13
3/23/2011 0.08
3/24/2011 0.22
3/25/2011 0.04
3/26/2011 0.00
3/27/2011 T
3/28/2011 T
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.21
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.21
4/2/2011 T
4/3/2011 0.08
4/4/2011 0.02
4/5/2011 0.34
4/6/2011 0.10
4/7/2011 0.00
4/8/2011 0.10
4/9/2011 0.35
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.56
4/14/2011 0.11
4/15/2011 0.00
4/16/2011 0.00
4/17/2011 1.31
4/18/2011 0.00
4/19/2011 0.00
4/20/2011 0.22
4/21/2011 0.00
4/22/2011 0.00
4/23/2011 0.31
4/24/2011 0.17
4/25/2011 0.66
4/26/2011 0.00
4/27/2011 T
4/28/2011 0.05
4/29/2011 0.16
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.09
5/3/2011 0.00
5/4/2011 0.40
5/5/2011 0.17
5/6/2011 0.00
5/7/2011 0.05
5/8/2011 0.00
5/9/2011 T
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 T
5/14/2011 0.01
5/15/2011 0.23
5/16/2011 0.06
5/17/2011 0.67
5/18/2011 0.47
5/19/2011 0.35
5/20/2011 0.35
5/21/2011 T
5/22/2011 0.00
5/23/2011 0.04
5/24/2011 0.05
5/25/2011 0.03
5/26/2011 0.00
5/27/2011 0.00
5/28/2011 0.09
5/29/2011 T
5/30/2011 0.00
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.01
6/6/2011 T
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.23
6/11/2011 0.16
6/12/2011 0.00
6/13/2011 T
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011 0.01
6/18/2011 0.11
6/19/2011 T
6/20/2011 0.14
6/21/2011 0.02
6/22/2011 0.11
6/23/2011 T
6/24/2011 0.00
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 T
6/28/2011 0.01
6/29/2011 T
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.37
7/4/2011 0.58
7/5/2011 0.01
7/6/2011 0.00
7/7/2011 T
7/8/2011 0.76
7/9/2011 0.67
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.13
7/13/2011 0.00
7/14/2011 0.29
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 0.33
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.46
7/25/2011 0.00
7/26/2011 2.62
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 T
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.10
8/3/2011 T
8/4/2011 0.41
8/5/2011 0.01
8/6/2011 0.00
8/7/2011 0.86
8/8/2011 0.41
8/9/2011 0.00
8/10/2011 0.04
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.70
8/15/2011 1.10
8/16/2011 0.19
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.01
8/20/2011 0.00
8/21/2011 0.09
8/22/2011 2.00
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.18
8/27/2011 T
8/28/2011 3.58
8/29/2011 0.02
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.06
9/3/2011 0.00
9/4/2011 0.13
9/5/2011 0.00
9/6/2011 1.03
9/7/2011 1.07
9/8/2011 6.54
9/9/2011 1.01
9/10/2011 0.05
9/11/2011 0.00
9/12/2011 0.33
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.01
9/16/2011 0.05
9/17/2011 0.00
9/18/2011 T
9/19/2011 0.00
9/20/2011 T
9/21/2011 0.06
9/22/2011 0.26
9/23/2011 0.05
9/24/2011 1.07
9/25/2011 0.01
9/26/2011 0.01
9/27/2011 0.03
9/28/2011 T
9/29/2011 0.87
9/30/2011 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 2.33 0.0 M 0.0 M
10/2/2010 7:00 AM 0.00 0.0 M 0.0 M
10/3/2010 7:00 AM 0.00 0.0 M 0.0 M
10/4/2010 7:00 AM 0.48 0.0 M 0.0 M Light rain.
10/5/2010 7:00 AM 0.33 0.0 M 0.0 M Overcast. Light rain showers ended by early Monday afternoon.
10/6/2010 7:00 AM T 0.0 M 0.0 M Light rain shower after midnight.
10/7/2010 7:00 AM 0.01 0.0 M 0.0 M Scattered light rain showers yesterday evening (after 8pm).
10/8/2010 7:00 AM 0.00 0.0 M 0.0 M
10/9/2010 7:00 AM 0.00 0.0 M 0.0 M
10/10/2010 7:00 AM 0.00 0.0 M 0.0 M
10/11/2010 7:00 AM 0.00 0.0 M 0.0 M
10/12/2010 7:00 AM 0.00 0.0 M 0.0 M
10/13/2010 7:00 AM 0.00 0.0 M 0.0 M
10/14/2010 7:00 AM T 0.0 M 0.0 M Light rain - began past half hour.
10/15/2010 7:00 AM 0.79 0.0 M 0.0 M Rain ended late Thursday afternoon.
10/16/2010 7:00 AM 0.00 0.0 M 0.0 M
10/17/2010 7:00 AM 0.00 0.0 M 0.0 M
10/18/2010 7:00 AM 0.00 0.0 M 0.0 M
10/19/2010 7:00 AM 0.39 0.0 M 0.0 M Light rain shower. Thunderstorm with heavier rain shower between 4 and 4:30am.
10/20/2010 7:00 AM 0.02 0.0 M 0.0 M
10/21/2010 7:00 AM T 0.0 M 0.0 M A few sprinkles Wednesday afternoon.
10/22/2010 7:00 AM 0.00 0.0 M 0.0 M
10/23/2010 7:00 AM 0.00 0.0 M 0.0 M
10/24/2010 7:00 AM 0.00 0.0 M 0.0 M
10/25/2010 7:00 AM 0.00 0.0 M 0.0 M
10/26/2010 7:00 AM 0.00 0.0 M 0.0 M
10/27/2010 7:00 AM 0.43 0.0 M 0.0 M Light rain shower.
10/28/2010 7:00 AM 0.23 0.0 M 0.0 M Rain showers primarily midday Wednesday.
10/29/2010 7:00 AM 0.00 0.0 M 0.0 M
10/30/2010 7:00 AM 0.00 0.0 M 0.0 M
10/31/2010 7:00 AM 0.00 0.0 M 0.0 M
11/1/2010 7:00 AM 0.00 0.0 M 0.0 M
11/2/2010 7:00 AM 0.00 0.0 M 0.0 M
11/3/2010 7:00 AM 0.00 0.0 M 0.0 M
11/4/2010 7:00 AM 0.51 0.0 M 0.0 M Light rain began about 10pm Wednesday and continued through 7am observation.
11/5/2010 7:00 AM 0.69 0.0 M 0.0 M Overcast. Some light rain after midnight but most of the rain during the day Thursday.
11/6/2010 7:00 AM T 0.0 M 0.0 M Trace was a few sprinkles within an hour or two of Friday mornings observation.
11/7/2010 7:00 AM 0.00 0.0 M 0.0 M
11/8/2010 7:00 AM 0.00 0.0 M 0.0 M
11/9/2010 7:00 AM 0.00 0.0 M 0.0 M
11/10/2010 7:00 AM 0.00 0.0 M 0.0 M
11/11/2010 7:00 AM 0.00 0.0 M 0.0 M
11/12/2010 7:00 AM 0.00 0.0 M 0.0 M
11/13/2010 7:00 AM 0.00 0.0 M 0.0 M
11/14/2010 7:00 AM 0.00 0.0 M 0.0 M
11/15/2010 7:00 AM 0.00 0.0 M 0.0 M
11/16/2010 7:00 AM 0.14 0.0 M 0.0 M Overcast with light Fog. Light rain between about 10:30pm and 3am and again 4:30am to 6:30am.
11/17/2010 7:00 AM 0.65 0.0 M 0.0 M Light rain yesterday and showers and thunderstorm after midnight.
11/18/2010 7:00 AM 0.00 0.0 M 0.0 M
11/19/2010 7:00 AM 0.00 0.0 M 0.0 M
11/20/2010 7:00 AM 0.00 0.0 M 0.0 M
11/21/2010 7:00 AM 0.00 0.0 M 0.0 M
11/22/2010 7:00 AM 0.00 0.0 M 0.0 M
11/23/2010 7:00 AM 0.00 0.0 M 0.0 M
11/24/2010 7:00 AM 0.01 0.0 M 0.0 M
11/25/2010 7:00 AM 0.05 0.0 M 0.0 M Light rain during past hour but not at time of observation.
11/26/2010 7:00 AM 0.03 0.0 M 0.0 M Very light rain at observation. Intermittent light rain yesterday morning and again overnight.
11/27/2010 7:00 AM T 0.0 M 0.0 M
11/28/2010 7:00 AM 0.00 0.0 M 0.0 M
11/29/2010 7:00 AM 0.00 0.0 M 0.0 M
11/30/2010 7:00 AM T 0.0 M 0.0 M Light rain at observation (7am) which began during past hour.
12/1/2010 7:00 AM 0.39 0.0 M 0.0 M Very light rain shower and windy at time (7am) of observation. Intermittent rain showers the past few hours and occasional light rain yesterday mainly in the morning.
12/2/2010 7:00 AM 0.57 0.0 M 0.0 M Overcast stratocumulus (L5). Rain showers (no thunder) Wednesday morning. Sharp Cold Frontal Passage 0920 am EST.
12/3/2010 7:00 AM 0.00 0.0 M 0.0 M
12/4/2010 7:00 AM 0.00 0.0 M 0.0 M
12/5/2010 7:00 AM 0.00 0.0 M 0.0 M
12/6/2010 7:00 AM 0.00 0.0 M 0.0 M
12/7/2010 7:00 AM 0.00 0.0 M 0.0 M
12/8/2010 7:00 AM 0.00 0.0 M 0.0 M
12/9/2010 7:00 AM 0.00 0.0 M 0.0 M
12/10/2010 7:00 AM 0.00 0.0 M 0.0 M
12/11/2010 7:00 AM 0.01 0.2 M T M Light snow yesterday 10:30 am to 12:30 pm. Accumulated on pavement and grassy areas. Patches of snow still on the ground.
12/12/2010 7:00 AM 0.49 0.0 M 0.0 M Overcast with light fog. Temperature 50. Periods of rain overnight.
12/13/2010 7:00 AM 0.39 0.1 M T M Light snow, temperature 31. Light rain yesterday and light snow grains and light snow early this morning.
12/14/2010 7:00 AM T T M T M Overcast and breezy. Light snow just after yesterday mornings observation and again early this morning.
12/15/2010 7:00 AM 0.00 0.0 M 0.0 M
12/16/2010 7:00 AM 0.00 0.0 M 0.0 M
12/17/2010 7:00 AM 0.15 1.7 M 1.5 M Overcast AC, temperature 19 (Low 14). Light snow yesterday ended late afternoon.
12/18/2010 7:00 AM 0.00 0.0 M 1.0 M Ground snow covered with few thin spots.
12/19/2010 7:00 AM 0.00 0.0 M 0.5 M
12/20/2010 7:00 AM 0.00 0.0 M 0.5 M Bare spots.
12/21/2010 7:00 AM 0.00 0.0 M 0.5 M Bare spots. Only slight decrease in snow depth since yesterday.
12/22/2010 7:00 AM 0.00 0.0 M T M Significant melting yesterday. Over half the ground bare.
12/23/2010 7:00 AM 0.00 0.0 M T M
12/24/2010 7:00 AM 0.00 0.0 M T M
12/25/2010 7:00 AM 0.00 0.0 M T M
12/26/2010 7:00 AM T T M T M Overcast. Period of light snow during the day Christmas.
12/27/2010 7:00 AM 0.03 0.3 M 0.3 M Overcast and windy.
12/28/2010 7:00 AM 0.00 0.0 M T M
12/29/2010 7:00 AM 0.00 0.0 M T M
12/30/2010 7:00 AM 0.00 0.0 M 0.0 M Traces of snow still remain in shaded areas on north side of structures.
12/31/2010 7:00 AM 0.00 0.0 M 0.0 M
1/1/2011 7:00 AM 0.00 0.0 M 0.0 M
1/2/2011 7:00 AM 0.03 0.0 M 0.0 M Overcast, temperature 49. Light rain showers overnight.
1/3/2011 7:00 AM 0.03 0.0 M 0.0 M
1/4/2011 7:00 AM 0.00 0.0 M 0.0 M
1/5/2011 7:00 AM 0.00 0.0 M 0.0 M
1/6/2011 7:00 AM 0.00 0.0 M 0.0 M
1/7/2011 7:00 AM 0.01 0.2 M 0.2 M Period of light snow about 4am.
1/8/2011 7:00 AM 0.01 0.1 M 0.1 M Overcast with temperature 28. Dusting of light snow during early morning hours.
1/9/2011 7:00 AM 0.01 0.1 M T M Light snow showers Saturday mornings.
1/10/2011 7:00 AM 0.00 0.0 M 0.0 M
1/11/2011 7:00 AM 0.00 0.0 M 0.0 M
1/12/2011 7:00 AM 0.21 2.1 M 2.0 M Overcast with temperature 24. Period of light occasionally moderate snow mainly last evening.
1/13/2011 7:00 AM 0.00 0.0 M 1.5 M
1/14/2011 7:00 AM 0.00 0.0 M 1.0 M Thin spots in snow cover.
1/15/2011 7:00 AM 0.00 0.0 M 0.5 M Bare spots.
1/16/2011 7:00 AM 0.00 0.0 M T M
1/17/2011 7:00 AM 0.00 0.0 M T M
1/18/2011 7:00 AM 0.46 0.7 M 1.0 M Light freezing drizzle, temperature 32. Light snow mixed/changed to light sleet (0.7 inches) which changed to light freezing rain overnight. Estimated ice accumulation of 0.1 to 0.2.
1/19/2011 7:00 AM 0.07 0.0 M 1.0 M Light rain showers between around midnight until about 4 am.
1/20/2011 7:00 AM 0.00 0.0 M T M
1/21/2011 7:00 AM 0.09 0.9 M 1.0 M
1/22/2011 7:00 AM T T M 0.5 M A few flurries Friday morning.
1/23/2011 7:00 AM 0.00 0.0 M 0.5 M Bare spots in snow cover.
1/24/2011 7:00 AM 0.00 0.0 M 0.5 M Clear with temperature +7 degrees. Bare spots in the snow cover.
1/25/2011 7:00 AM 0.00 0.0 M T M
1/26/2011 7:00 AM 0.30 2.1 M 2.0 M At 7am, light rain and light snow with temperature 33 degrees. Light rain began and light sleet ended during past half hour.
1/27/2011 7:00 AM 1.39 8.4 M 10.0 M Thunderstorm (4pm) with sleet and 7:40pm with heavy snow. Past weather was rain, snow and sleet. Storm Total Precipitation was 1.69 WE and 10.5 snowfall.
1/28/2011 7:00 AM T T M 9.0 M
1/29/2011 7:00 AM 0.06 0.5 M 8.0 M
1/30/2011 7:00 AM T T M 7.0 M Brief periods of light snow grains and snow flurries yesterday.
1/31/2011 7:00 AM 0.00 0.0 M 6.5 M
2/1/2011 7:00 AM 0.02 T M 6.5 M Overcast with light fog, temperature 28. A light accumulation of freezing rain, freezing drizzle and sleet covers ground.
2/2/2011 7:00 AM 0.83 0.0 M 6.0 M Overcast, light rain, temperature (and minimum temperature) 33 degrees.
2/3/2011 7:00 AM 0.02 0.0 M 4.5 M
2/4/2011 7:00 AM 0.00 0.0 M 4.0 M
2/5/2011 7:00 AM 0.07 0.0 M 3.5 M Light drizzle and fog. Light rain ended during the past hour. Temperature 33. Light rain overnight and a trace (now melted) of light freezing rain.
2/6/2011 7:00 AM 0.18 0.0 M 3.0 M
2/7/2011 7:00 AM 0.00 0.0 M 2.5 M
2/8/2011 7:00 AM 0.02 0.0 M 2.0 M A few bare spots in snow cover. Light rain shower overnight. Scattered clouds, temperature 35.
2/9/2011 7:00 AM T T M 1.5 M Snow flurries Tuesday morning. Bare spots in the snow cover.
2/10/2011 7:00 AM T T M 1.0 M A period of light snow last evening caused a dusting. Bare spots in snow cover.
2/11/2011 7:00 AM 0.00 0.0 M 1.0 M
2/12/2011 7:00 AM 0.00 0.0 M 0.5 M Bare spots in snow cover.
2/13/2011 7:00 AM 0.00 0.0 M 0.5 M
2/14/2011 7:00 AM 0.00 0.0 M T M
2/15/2011 7:00 AM 0.00 0.0 M T M Considerable snow melt yesterday. Only patches of snow remain.
2/16/2011 7:00 AM 0.00 0.0 M T M
2/17/2011 7:00 AM 0.00 0.0 M 0.0 M A few small patches of snow remain.
2/18/2011 7:00 AM 0.00 0.0 M 0.0 M
2/19/2011 7:00 AM 0.00 0.0 M 0.0 M
2/20/2011 7:00 AM 0.00 0.0 M 0.0 M
2/21/2011 7:00 AM 0.04 T M 0.0 M Occasional light rain overnight mixed with light snow at onset around 8pm
2/22/2011 7:00 AM 0.70 3.5 M 3.5 M Overcast, temperature 22. Precipitation was a combination of rain then sleet and freezing rain, and finally snow but mainly sleet and snow.
2/23/2011 7:00 AM 0.00 0.0 M 2.5 M
2/24/2011 7:00 AM 0.00 0.0 M 1.0 M A few bare spots.
2/25/2011 7:00 AM 0.36 0.0 M T M Light rain, temperature 41. Periods of light rain since Thursday afternoon.
2/26/2011 7:00 AM 0.17 0.0 M 0.0 M Overcast, temperature 32. Light rain showers Friday morning and brief thunderstorm (little rainfall) early Friday afternoon with cold frontal passage.
2/27/2011 7:00 AM 0.00 0.0 M 0.0 M
2/28/2011 7:00 AM 0.25 0.0 M 0.0 M Light rain showers overnight.
3/1/2011 7:00 AM 0.29 0.0 M 0.0 M Scattered rain showers Monday afternoon and evening.
3/2/2011 7:00 AM 0.00 0.0 M 0.0 M
3/3/2011 7:00 AM 0.00 0.0 M 0.0 M
3/4/2011 7:00 AM 0.00 0.0 M 0.0 M
3/5/2011 7:00 AM 0.00 0.0 M 0.0 M
3/6/2011 7:00 AM 0.06 0.0 M 0.0 M Light rain. Most of rainfall accumulation during past few hours.
3/7/2011 7:00 AM 1.32 T M 0.0 M Rain ended overnight as snow.
3/8/2011 7:00 AM 0.00 0.0 M 0.0 M
3/9/2011 7:00 AM 0.00 0.0 M 0.0 M
3/10/2011 8:30 AM 0.70 0.0 M 0.0 M
3/11/2011 7:00 AM 1.69 0.0 M 0.0 M Storm total rainfall 2.39 inches.
3/12/2011 7:00 AM 0.00 0.0 M 0.0 M
3/13/2011 7:00 AM 0.00 0.0 M 0.0 M
3/14/2011 7:00 AM 0.00 0.0 M 0.0 M
3/15/2011 7:00 AM 0.00 0.0 M 0.0 M
3/16/2011 7:00 AM 0.63 0.0 M 0.0 M Overcast. Periods of rain overnight.
3/17/2011 7:00 AM 0.00 0.0 M 0.0 M
3/18/2011 7:00 AM 0.00 0.0 M 0.0 M
3/19/2011 7:00 AM 0.00 0.0 M 0.0 M
3/20/2011 7:00 AM 0.00 0.0 M 0.0 M
3/21/2011 7:00 AM 0.07 0.0 M 0.0 M At 7am, Thunderstorm and light rain shower. Temperature 44. Thunderstorm east moving east. Began at 0630.
3/22/2011 7:00 AM 0.13 0.0 M 0.0 M Rain showers Monday morning.
3/23/2011 7:00 AM 0.08 0.0 M 0.0 M Overcast. Occasional light rain showers overnight.
3/24/2011 7:00 AM 0.22 0.0 M 0.0 M Overcast with light drizzle. Occasional thunderstorms and rain showers overnight.
3/25/2011 7:00 AM 0.04 0.0 M 0.0 M Light rain and light drizzle Thursday morning.
3/26/2011 7:00 AM 0.00 0.0 M 0.0 M
3/27/2011 7:00 AM T T M T M Light snow shower with temperature 31. Occasional early morning flurries and light snow showers.
3/28/2011 7:00 AM T T M 0.0 M Light snow shower ended about 8am Sunday.
3/29/2011 7:00 AM 0.00 0.0 M 0.0 M
3/30/2011 7:00 AM 0.00 0.0 M 0.0 M
3/31/2011 7:00 AM 0.21 T M 0.0 M Overcast, light fog, temperature 36.
4/1/2011 7:00 AM 0.21 0.0 M 0.0 M Overcast, light drizzle and fog, temperature 36. Periods of light rain and drizzle past 24 hours.
4/2/2011 7:00 AM T 0.0 M 0.0 M Few very light rain showers yesterday.
4/3/2011 7:00 AM 0.08 0.0 M 0.0 M Light rain showers yesterday.
4/4/2011 7:00 AM 0.02 0.0 M 0.0 M Thunderstorms from dusk to about midnight mainly to the north moving southeast. Also, occasional light rain showers.
4/5/2011 7:00 AM 0.34 0.0 M 0.0 M Overcast. Thunderstorm (squall line) between 4:30 to 5am. Rain showers ended before observation.
4/6/2011 7:00 AM 0.10 0.0 M 0.0 M
4/7/2011 7:00 AM 0.00 0.0 M 0.0 M
4/8/2011 7:00 AM 0.10 0.0 M 0.0 M Light rain. Began several hour ago.
4/9/2011 7:00 AM 0.35 0.0 M 0.0 M Overcast and light fog. Occasional rain showers yesterday ended overnight.
4/10/2011 7:00 AM 0.00 0.0 M 0.0 M
4/11/2011 7:00 AM 0.00 0.0 M 0.0 M
4/12/2011 7:00 AM 0.00 0.0 M 0.0 M
4/13/2011 7:00 AM 0.56 0.0 M 0.0 M Overcast, light rain shower, light drizzle. Occasional rain showers yesterday and overnight. A few cracks of thunder yesterday morning.
4/14/2011 7:00 AM 0.11 0.0 M 0.0 M Occasional rain showers into yesterday afternoon.
4/15/2011 7:00 AM 0.00 0.0 M 0.0 M
4/16/2011 7:00 AM 0.00 0.0 M 0.0 M
4/17/2011 7:00 AM 1.31 0.0 M 0.0 M Periodic rain showers yesterday from mid morning through evening. Very little thunder heard.
4/18/2011 7:00 AM 0.00 0.0 M 0.0 M
4/19/2011 7:00 AM 0.00 0.0 M 0.0 M
4/20/2011 7:00 AM 0.22 0.0 M 0.0 M Scattered showers and some thunder mainly daylight hours.
4/21/2011 7:00 AM 0.00 0.0 M 0.0 M
4/22/2011 7:00 AM 0.00 0.0 M 0.0 M
4/23/2011 7:00 AM 0.31 0.0 M 0.0 M
4/24/2011 7:00 AM 0.17 0.0 M 0.0 M
4/25/2011 7:00 AM 0.66 0.0 M 0.0 M
4/26/2011 7:00 AM 0.00 0.0 M 0.0 M
4/27/2011 7:00 AM T 0.0 M 0.0 M
4/28/2011 7:00 AM 0.05 0.0 M 0.0 M
4/29/2011 7:00 AM 0.16 0.0 M 0.0 M
4/30/2011 7:00 AM 0.00 0.0 M 0.0 M
5/1/2011 7:00 AM 0.00 0.0 M 0.0 M
5/2/2011 7:00 AM 0.09 0.0 M 0.0 M Scattered rain showers yesterday and overnight. Most accumulation late afternoon and early evening.
5/3/2011 7:00 AM 0.00 0.0 M 0.0 M
5/4/2011 7:00 AM 0.40 0.0 M 0.0 M Cloudy with light rain. Occasional rain began shortly before midnight and lasted through observation.
5/5/2011 7:00 AM 0.17 0.0 M 0.0 M
5/6/2011 7:00 AM 0.00 0.0 M 0.0 M
5/7/2011 7:00 AM 0.05 0.0 M 0.0 M Thunderstorms between 7pm and 9pm. Light rain showers between 7:30pm and 8:30pm.
5/8/2011 7:00 AM 0.00 0.0 M 0.0 M
5/9/2011 7:00 AM T 0.0 M 0.0 M Few sprinkles Sunday afternoon.
5/10/2011 7:00 AM 0.00 0.0 M 0.0 M
5/11/2011 7:00 AM 0.00 0.0 M 0.0 M
5/12/2011 7:00 AM 0.00 0.0 M 0.0 M
5/13/2011 7:00 AM T 0.0 M 0.0 M Overcast. Light rain shower ended past hour.
5/14/2011 7:00 AM 0.01 0.0 M 0.0 M Cloudy with light drizzle. Light rain shower overnight.
5/15/2011 7:00 AM 0.23 0.0 M 0.0 M Cloundy. Scattered rain showers with occasional thunder mainly 7pm to midn.
5/16/2011 7:00 AM 0.06 0.0 M 0.0 M Thunderstorms last evening.
5/17/2011 7:00 AM 0.67 0.0 M 0.0 M Overcast. Thunderstorms Monday afternoon 4-6pm and scattered rain showers after midnight ending past hour.
5/18/2011 7:00 AM 0.47 0.0 M 0.0 M Scattered showers and thunderstorms yesterday and overnight.
5/19/2011 7:00 AM 0.35 0.0 M 0.0 M Rain showers yesterday late morning into early afternoon.
5/20/2011 7:00 AM 0.35 0.0 M 0.0 M Occasional showers and thunderstorms from late morning to late evening
5/21/2011 7:00 AM T 0.0 M 0.0 M Few sprinkles Friday afternoon.
5/22/2011 7:00 AM 0.00 0.0 M 0.0 M
5/23/2011 7:00 AM 0.04 0.0 M 0.0 M
5/24/2011 7:00 AM 0.05 0.0 M 0.0 M Rain shower last evening.
5/25/2011 7:00 AM 0.03 0.0 M 0.0 M Rain shower about 9am yesterday morning and thunderstorm with only trace of precipitation late yesterday afternoon.
5/26/2011 7:00 AM 0.00 0.0 M 0.0 M
5/27/2011 7:00 AM 0.00 0.0 M 0.0 M
5/28/2011 7:00 AM 0.09 0.0 M 0.0 M Thunderstorm from 08:10 to 09:15pm. Rain shower mainly 0825 to 0845pm
5/29/2011 7:00 AM T 0.0 M 0.0 M Few sprinkles early Saturday afternoon.
5/30/2011 7:00 AM 0.00 0.0 M 0.0 M
5/31/2011 7:00 AM 0.00 0.0 M 0.0 M
6/1/2011 7:00 AM 0.00 0.0 M 0.0 M
6/2/2011 7:00 AM 0.00 0.0 M 0.0 M
6/3/2011 7:00 AM 0.00 0.0 M 0.0 M
6/4/2011 7:00 AM 0.00 0.0 M 0.0 M
6/5/2011 7:00 AM 0.01 0.0 M 0.0 M Light rain shower at observation time and also Saturday afternoon.
6/6/2011 7:00 AM T 0.0 M 0.0 M Light rain shower ended shortly after yesterday mornings observation.
6/7/2011 7:00 AM 0.00 0.0 M 0.0 M
6/8/2011 7:00 AM 0.00 0.0 M 0.0 M
6/9/2011 7:00 AM 0.00 0.0 M 0.0 M
6/10/2011 7:00 AM 0.23 0.0 M 0.0 M Thunderstorm began 7:15pm (distant thunder), rain shower began 7:40pm. Both lasted an hour or a little longer.
6/11/2011 7:00 AM 0.16 0.0 M 0.0 M Thunderstorm began around 1830 and ended an hour later.
6/12/2011 7:00 AM 0.00 0.0 M 0.0 M Thunderstorms with frequent lightning past by to the north late evening.
6/13/2011 7:00 AM T 0.0 M 0.0 M Thunderstorms from 4:30 to about 6pm which pasted both north and south of observation point with only a few sprinkles here.
6/14/2011 7:00 AM 0.00 0.0 M 0.0 M
6/15/2011 7:00 AM 0.00 0.0 M 0.0 M
6/16/2011 7:00 AM 0.00 0.0 M 0.0 M
6/17/2011 7:00 AM 0.01 0.0 M 0.0 M Scattered light rain showers yesterday and overnight. Thunderstorm passed south of observation site before midnight without precipitation here.
6/18/2011 7:00 AM 0.11 0.0 M 0.0 M Early morning thunderstorm from 0445 to 0520. Rain shower from 0430 to 0530.
6/19/2011 7:00 AM T 0.0 M 0.0 M A few sprinkles, mainly overnight.
6/20/2011 7:00 AM 0.14 0.0 M 0.0 M Light rain shower at observation time and during early morning. A few sprinkles last evening.
6/21/2011 7:00 AM 0.02 0.0 M 0.0 M Overcast at observation time (7am) with brief light rain shower during past half hour. Also, yesterday morning rain shower ended shortly after observation time.
6/22/2011 7:00 AM 0.11 0.0 M 0.0 M Light rain showers yesterday morning. Thunderstorm last evening 2130 to 2200. Most rainfall in rain shower 2200 to 2215.
6/23/2011 7:00 AM T 0.0 M 0.0 M Light rain shower between 6 and 630am.
6/24/2011 7:00 AM 0.00 0.0 M 0.0 M
6/25/2011 7:00 AM 0.00 0.0 M 0.0 M
6/26/2011 7:00 AM 0.00 0.0 M 0.0 M
6/27/2011 7:00 AM T 0.0 M 0.0 M Occasional sprinkles last evening.
6/28/2011 7:00 AM 0.01 0.0 M 0.0 M Light rain shower midday Monday.
6/29/2011 7:00 AM T 0.0 M 0.0 M Thunderstorm (distant thunder) about 1930. Another thunderstorm 1955 to 2030. Light rain shower about 2000.
6/30/2011 7:00 AM 0.00 0.0 M 0.0 M
7/1/2011 7:00 AM 0.00 0.0 M 0.0 M
7/2/2011 7:00 AM 0.00 0.0 M 0.0 M
7/3/2011 7:00 AM 0.37 0.0 M 0.0 M Overcast. Thunderstorms and rain showers between 3:30 and 6:00am.
7/4/2011 7:00 AM 0.58 0.0 M 0.0 M Thunderstorm (began 5:45pm, ended 7:00pm) with wind gusts estimated to 50 mph yesterday evening. Some apparent tree damage in neighborhood.
7/5/2011 7:00 AM 0.01 0.0 M 0.0 M Light rain showers Monday evening.
7/6/2011 7:00 AM 0.00 0.0 M 0.0 M
7/7/2011 7:00 AM T 0.0 M 0.0 M Very light rain shower yesterday morning.
7/8/2011 7:00 AM 0.76 0.0 M 0.0 M Thunderstorm last evening.
7/9/2011 7:00 AM 0.67 0.0 M 0.0 M Showers with occasional thunder yesterday afternoon.
7/10/2011 7:00 AM 0.00 0.0 M 0.0 M
7/11/2011 7:00 AM 0.00 0.0 M 0.0 M
7/12/2011 7:00 AM 0.13 0.0 M 0.0 M Thunderstorm began (distant thunder) 8:15pm and ended 9:25pm (15 minutes after last thunder). Rain shower began 8:30pm and ended 9:00pm
7/13/2011 7:00 AM 0.00 0.0 M 0.0 M
7/14/2011 7:00 AM 0.29 0.0 M 0.0 M Thunderstorm began 2:40pm ended 3:25pm. Rain shower began 2:30pm ended 3:35pm.
7/15/2011 7:00 AM 0.00 0.0 M 0.0 M
7/16/2011 7:00 AM 0.00 0.0 M 0.0 M
7/17/2011 7:00 AM 0.00 0.0 M 0.0 M
7/18/2011 7:00 AM 0.00 0.0 M 0.0 M
7/19/2011 7:00 AM 0.00 0.0 M 0.0 M
7/20/2011 7:00 AM 0.33 0.0 M 0.0 M Thunderstorm and rain showers between 3pm and 4:15pm
7/21/2011 7:00 AM 0.00 0.0 M 0.0 M
7/22/2011 7:00 AM 0.00 0.0 M 0.0 M
7/23/2011 7:00 AM 0.00 0.0 M 0.0 M
7/24/2011 7:00 AM 0.46 0.0 M 0.0 M Thunderstorm began about 08:10am yesterday and ended 09:00. Rain shower began 08:20 and ended 09:15am.
7/25/2011 7:00 AM 0.00 0.0 M 0.0 M
7/26/2011 7:00 AM 2.62 0.0 M 0.0 M Thunderstorms began 1:30pm ended 3:45pm. Rain shower began 1:40pm and ended about 4:00pm. Nearly 2 inches (1.8-2.0)fell in the hour ending at 3:35pm.
7/27/2011 7:00 AM 0.00 0.0 M 0.0 M
7/28/2011 7:00 AM 0.00 0.0 M 0.0 M
7/29/2011 7:00 AM T 0.0 M 0.0 M Brief very light rain shower late last evening.
7/30/2011 7:00 AM 0.00 0.0 M 0.0 M
7/31/2011 7:00 AM 0.00 0.0 M 0.0 M
8/1/2011 7:00 AM 0.00 0.0 M 0.0 M
8/2/2011 7:00 AM 0.10 0.0 M 0.0 M Thunderstorm began 1615 ended 1715. Thunderstorm began 1800 ended 1830(no precip 2nd tstm). Light rain shower began 1630 ended 1655. Light rain shower began 1727 ended 1735.
8/3/2011 7:00 AM T 0.0 M 0.0 M
8/4/2011 7:00 AM 0.41 0.0 M 0.0 M Overcast stratus with light drizzle and fog. Light rain showers mid afternoon (.02) and again after dark (.39).
8/5/2011 7:00 AM 0.01 0.0 M 0.0 M Light drizzle and a brief light rain shower within a hour of yesterday's observation.
8/6/2011 7:00 AM 0.00 0.0 M 0.0 M
8/7/2011 7:00 AM 0.86 0.0 M 0.0 M A few afternoon sprinkles. Several periods of rain showers with occasional thunder (mainly early) from about 6pm to 12:30am. Over .6 fell from 6:15 to 6:30pm.
8/8/2011 7:00 AM 0.41 0.0 M 0.0 M Thunderstorms 3:50pm to 5:20pm. First cell passed south with only trace. Most precipitation with second cell.
8/9/2011 7:00 AM 0.00 0.0 M 0.0 M
8/10/2011 7:00 AM 0.04 0.0 M 0.0 M Thunderstorm began 4:05 (distant thunder). Heavier cells passed both north and south of this location. Light rain shower 4:20 to 4:30pm.
8/11/2011 7:00 AM 0.00 0.0 M 0.0 M
8/12/2011 7:00 AM 0.00 0.0 M 0.0 M
8/13/2011 7:00 AM 0.00 0.0 M 0.0 M
8/14/2011 7:30 AM 0.70 0.0 M 0.0 M Overcast with light rain shower. Scattered rain showers and thunderstorms beginning yesterday morning and continuing overnight.
8/15/2011 7:00 AM 1.10 0.0 M 0.0 M Periods of showers and thunderstorms yesterday and overnight.
8/16/2011 7:00 AM 0.19 0.0 M 0.0 M Scattered showers and thunderstorms (some without precipitation at observing point) daytime yesterday.
8/17/2011 7:00 AM 0.00 0.0 M 0.0 M
8/18/2011 7:00 AM 0.00 0.0 M 0.0 M
8/19/2011 7:00 AM 0.01 0.0 M 0.0 M Occasional thunderstorms and a few light showers during late afternoon and evening with very little precipitation.
8/20/2011 7:00 AM 0.00 0.0 M 0.0 M Cumulonimbus all quadrants yesterday evening.
8/21/2011 7:00 AM 0.09 0.0 M 0.0 M Thunderstorm east moving east. Thunderstorm began 06:40am. Rain shower began 06:25am ended 06:45am.
8/22/2011 7:00 AM 2.00 0.0 M 0.0 M Showers and thunderstorms Sunday afternoon. About 1.9 inches plus fell in the hour ending at 3:20pm.
8/23/2011 7:00 AM 0.00 0.0 M 0.0 M
8/24/2011 7:00 AM 0.00 0.0 M 0.0 M
8/25/2011 7:00 AM 0.00 0.0 M 0.0 M
8/26/2011 7:00 AM 0.18 0.0 M 0.0 M Foggy. Showers and Thunderstorms late morning through mid afternoon yesterday.
8/27/2011 7:00 AM T 0.0 M 0.0 M
8/28/2011 7:00 AM 3.58 0.0 M 0.0 M Overcast, light rain shower, very windy. Light rain shower 7:15 to 7:30 (.04) then rain showers began more or less continuously from noon to 7am.
8/29/2011 7:00 AM 0.02 0.0 M 0.0 M Occasional light rain showers yesterday morning. Windy (Irene) all day.
8/30/2011 7:00 AM 0.00 0.0 M 0.0 M
8/31/2011 7:00 AM 0.00 0.0 M 0.0 M
9/1/2011 7:00 AM 0.00 0.0 M 0.0 M
9/2/2011 7:00 AM 0.06 0.0 M 0.0 M Few sprinkles yesterday. Light rain shower about 3am.
9/3/2011 7:00 AM 0.00 0.0 M 0.0 M
9/4/2011 7:00 AM 0.13 0.0 M 0.0 M Brief thunderstorm after 10am.
9/5/2011 7:00 AM 0.00 0.0 M 0.0 M
9/6/2011 7:00 AM 1.03 0.0 M 0.0 M
9/7/2011 7:00 AM 1.07 0.0 M 0.0 M
9/8/2011 7:00 AM 6.54 0.0 M 0.0 M
9/9/2011 7:00 AM 1.01 0.0 M 0.0 M
9/10/2011 7:00 AM 0.05 0.0 M 0.0 M
9/11/2011 7:00 AM 0.00 0.0 M 0.0 M
9/12/2011 7:00 AM 0.33 0.0 M 0.0 M
9/13/2011 7:00 AM 0.00 0.0 M 0.0 M
9/14/2011 7:00 AM 0.00 0.0 M 0.0 M
9/15/2011 7:00 AM 0.01 0.0 M 0.0 M Occasional light rain shower and thunderstorms last evening.
9/16/2011 7:00 AM 0.05 0.0 M 0.0 M Light rain showers Thursday afternoon.
9/17/2011 7:00 AM 0.00 0.0 M 0.0 M
9/18/2011 7:00 AM T 0.0 M 0.0 M Brief light rain shower yesterday.
9/19/2011 7:00 AM 0.00 0.0 M 0.0 M
9/20/2011 7:00 AM T 0.0 M 0.0 M Light rain shower during past hour.
9/21/2011 7:00 AM 0.06 0.0 M 0.0 M Overcast stratus with light fog. Light rain shower 8-9:15am yesterday.
9/22/2011 7:00 AM 0.26 0.0 M 0.0 M Most precipitation in rain shower early this morning.
9/23/2011 7:00 AM 0.05 0.0 M 0.0 M Brief rain shower during past half hour.
9/24/2011 7:00 AM 1.07 0.0 M 0.0 M Rain showers from about 10am to 7pm. Heaviest amount was .42 between 12:30 and 12:45 pm.
9/25/2011 7:00 AM 0.01 0.0 M 0.0 M A few sprinkles yesterday and some drizzle and light rain overnight.
9/26/2011 7:00 AM 0.01 0.0 M 0.0 M Overcast stratus with light fog. Some drizzle and/or light rain during early morning hours.
9/27/2011 7:00 AM 0.03 0.0 M 0.0 M Overcast stratus and fog. Some drizzle overnight and light rain shower during past hour.
9/28/2011 7:00 AM T 0.0 M 0.0 M
9/29/2011 7:00 AM 0.87 0.0 M 0.0 M Scattered showers and some thunder Wednesday morning 8:15 am to 10:15 am and again Wednesday evening 8:45 pm to 10 pm. 0.46 between 8:25 and 8:45am.
9/30/2011 7:00 AM T 0.0 M 0.0 M A few sprinkles Thursday morning.



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