Station Overview Station Location
Station Number IA-PK-12 Latitude 41.7161
Station Name Grimes 3.8 N Longitude -93.7898
County Polk Elevation (ft) 938



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 09 2.50 7.97 31 5.81 24 2.16 7 1 17 2 0.6 2 0
Nov 09 2.15 1.20 29 1.20 29 0.00 0 0 7 2 0.0 0 0
Dec 09 1.31 2.56 31 1.85 29 0.71 2 1 10 8 13.6 9 23
Jan 10 0.91 1.19 31 1.19 31 0.00 0 0 12 5 11.2 8 31
Feb 10 1.12 0.90 28 0.90 28 0.00 0 0 11 5 15.3 11 28
March 10 2.20 1.79 31 1.79 31 0.00 0 0 10 2 4.1 1 12
April 10 3.60 5.12 30 5.00 24 0.12 6 1 10 0 0.0 0 0
May 10 4.71 3.65 31 3.65 31 0.00 0 0 13 2 0.0 0 0
June 10 5.11 10.60 30 10.60 21 0.00 9 0 16 0 0.0 0 0
July 10 4.67 11.80 31 7.16 28 4.64 3 1 14 0 0.0 0 0
Aug 10 4.12 12.96 25 6.37 9 6.59 16 1 5 0 0.0 0 0
Sept 10 3.13 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 35.53" 59.74" 328 days 45.52" 285 14.22" 43 days 5 125 days 26 days 44.8" 31 days 94 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
10/1/2009 **
10/2/2009 **
10/3/2009 **
10/4/2009 **
10/5/2009 **
10/6/2009 **
10/7/2009 2.16
10/8/2009 0.03
10/9/2009 0.15
10/10/2009 0.02
10/11/2009 0.03
10/12/2009 T
10/13/2009 T
10/14/2009 0.09
10/15/2009 0.26
10/16/2009 0.06
10/17/2009 0.03
10/18/2009 0.00
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.03
10/22/2009 0.91
10/23/2009 2.19
10/24/2009 0.06
10/25/2009 0.08
10/26/2009 0.02
10/27/2009 0.00
10/28/2009 0.00
10/29/2009 0.80
10/30/2009 1.02
10/31/2009 0.03
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.01
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 T
11/16/2009 0.00
11/17/2009 0.05
11/18/2009 T
11/19/2009 0.11
11/20/2009
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.04
11/24/2009 0.26
11/25/2009 0.56
11/26/2009 0.17
11/27/2009 0.00
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.00
12/1/2009 0.00
12/2/2009 0.00
12/3/2009 0.00
12/4/2009 T
12/5/2009 T
12/6/2009 0.00
12/7/2009 0.20
12/8/2009 0.16
12/9/2009 **
12/10/2009 0.71
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 T
12/14/2009 T
12/15/2009 0.07
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.00
12/20/2009 T
12/21/2009 0.05
12/22/2009 T
12/23/2009 T
12/24/2009 0.31
12/25/2009 0.87
12/26/2009 0.04
12/27/2009 0.08
12/28/2009 T
12/29/2009 0.00
12/30/2009 0.03
12/31/2009 0.04
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.00
1/2/2010 T
1/3/2010 0.00
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.19
1/8/2010 0.03
1/9/2010 T
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.02
1/13/2010 0.01
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.01
1/17/2010 T
1/18/2010 0.00
1/19/2010 0.00
1/20/2010 0.20
1/21/2010 0.26
1/22/2010 T
1/23/2010 0.01
1/24/2010 0.27
1/25/2010 0.09
1/26/2010 0.09
1/27/2010 T
1/28/2010 0.01
1/29/2010 0.00
1/30/2010 0.00
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.05
2/3/2010 0.00
2/4/2010 0.00
2/5/2010 0.06
2/6/2010 0.08
2/7/2010 T
2/8/2010 0.12
2/9/2010 0.10
2/10/2010 0.02
2/11/2010 T
2/12/2010 0.02
2/13/2010 T
2/14/2010 0.08
2/15/2010 0.10
2/16/2010 0.01
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 0.26
2/21/2010 0.00
2/22/2010 0.00
2/23/2010 T
2/24/2010 T
2/25/2010 0.00
2/26/2010 0.00
2/27/2010 0.00
2/28/2010 0.00
3/1/2010 0.00
3/2/2010 0.00
3/3/2010 0.00
3/4/2010 0.00
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.36
3/8/2010 0.01
3/9/2010 0.14
3/10/2010 0.21
3/11/2010 0.72
3/12/2010 0.02
3/13/2010 T
3/14/2010 0.01
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.03
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.28
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 T
3/26/2010 0.00
3/27/2010 0.00
3/28/2010 0.01
3/29/2010 0.00
3/30/2010 0.00
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.15
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 1.77
4/7/2010 0.00
4/8/2010 0.61
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 **
4/12/2010 **
4/13/2010 **
4/14/2010 **
4/15/2010 **
4/16/2010 0.12
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.02
4/23/2010 0.22
4/24/2010 0.66
4/25/2010 0.57
4/26/2010 0.45
4/27/2010 0.14
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.41
5/1/2010 0.13
5/2/2010 0.00
5/3/2010 0.11
5/4/2010 0.02
5/5/2010 0.09
5/6/2010 0.00
5/7/2010 0.41
5/8/2010 0.02
5/9/2010 0.00
5/10/2010 0.00
5/11/2010 1.07
5/12/2010 0.00
5/13/2010 1.40
5/14/2010 T
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.07
5/18/2010 0.00
5/19/2010 0.00
5/20/2010 0.00
5/21/2010 0.12
5/22/2010 0.01
5/23/2010 T
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.12
5/27/2010 0.00
5/28/2010 0.00
5/29/2010 0.00
5/30/2010 0.00
5/31/2010 0.08
6/1/2010 0.00
6/2/2010 0.88
6/3/2010 0.00
6/4/2010 0.70
6/5/2010 0.26
6/6/2010 0.28
6/7/2010 0.00
6/8/2010 0.60
6/9/2010 0.39
6/10/2010 0.00
6/11/2010 0.77
6/12/2010 1.10
6/13/2010 1.08
6/14/2010 1.46
6/15/2010 0.02
6/16/2010 0.01
6/17/2010 0.00
6/18/2010 2.16
6/19/2010 0.55
6/20/2010 0.09
6/21/2010 0.25
6/22/2010 **
6/23/2010 **
6/24/2010 **
6/25/2010 **
6/26/2010 **
6/27/2010 **
6/28/2010 **
6/29/2010 **
6/30/2010 **
Day of YearDaily PrcpMultiday Prcp
7/1/2010 **
7/2/2010 **
7/3/2010 4.64
7/4/2010 0.14
7/5/2010 0.48
7/6/2010 0.04
7/7/2010 0.00
7/8/2010 0.04
7/9/2010 0.00
7/10/2010 0.00
7/11/2010 0.04
7/12/2010 0.04
7/13/2010 0.24
7/14/2010 0.00
7/15/2010 0.10
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 2.20
7/19/2010 0.43
7/20/2010 0.71
7/21/2010 0.00
7/22/2010 0.00
7/23/2010 0.32
7/24/2010 0.96
7/25/2010 0.00
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 0.00
7/31/2010 1.42
8/1/2010 0.00
8/2/2010 0.15
8/3/2010 1.21
8/4/2010 1.73
8/5/2010 0.00
8/6/2010 0.00
8/7/2010 0.02
8/8/2010 0.00
8/9/2010 3.26
8/10/2010 **
8/11/2010 **
8/12/2010 **
8/13/2010 **
8/14/2010 **
8/15/2010 **
8/16/2010 **
8/17/2010 **
8/18/2010 **
8/19/2010 **
8/20/2010 **
8/21/2010 **
8/22/2010 **
8/23/2010 **
8/24/2010 **
8/25/2010 6.59
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/8/2009 7:00 AM 0.03 0.0 M 0.0 M Light rain began just before sunrise.
10/9/2009 7:00 AM 0.15 0.0 M 0.0 M Light rain ended around midday.
10/10/2009 7:15 AM 0.02 0.2 M T M Light snow at observation and 28 degrees. Accumulation mainly on raised surfaces. Lighter on grass.
10/11/2009 7:00 AM 0.03 0.4 M 0.0 M Light snow in the morning. Greatest accumulation on raised surfaces. Lesser amount on ground. Snow melted by midday. Cloudy and cold at observation.
10/12/2009 7:00 AM T 0.0 M 0.0 M Light rain early this morning. Cloudy at observation.
10/13/2009 7:00 AM T 0.0 M 0.0 M Light showers in the morning.
10/14/2009 7:00 AM 0.09 T M 0.0 M Light rain last evening, mixed initially with sleet.
10/15/2009 7:00 AM 0.26 0.0 M 0.0 M Light rain and periods of drizzle overnight. Cloudy with light drizzle at observation.
10/16/2009 7:00 AM 0.06 0.0 M 0.0 M Periods of light rain and drizzle. Cloudy at observation.
10/17/2009 7:00 AM 0.03 0.0 M 0.0 M Light rain and drizzle late in the evening and past midnight. Cloudy at observation.
10/18/2009 7:00 AM 0.00 0.0 M 0.0 M
10/19/2009 7:00 AM 0.00 0.0 M 0.0 M
10/20/2009 7:00 AM 0.00 0.0 M 0.0 M
10/21/2009 7:00 AM 0.03 0.0 M 0.0 M Light showers in the mid afternoon, mid evening and overnight. Partly cloudy at observation.
10/22/2009 7:00 AM 0.91 0.0 M 0.0 M Rainy and breezy at observation.
10/23/2009 7:00 AM 2.19 0.0 M 0.0 M Light to moderate rain finally ended just before observation.
10/24/2009 7:00 AM 0.06 0.0 M 0.0 M Periods of light rain and drizzle through mid afternoon.
10/25/2009 7:00 AM 0.08 0.0 M 0.0 M Light rain last evening. Mostly cloudy at observation.
10/26/2009 7:00 AM 0.02 0.0 M 0.0 M Light showers yesterday morning.
10/27/2009 7:00 AM 0.00 0.0 M 0.0 M
10/28/2009 7:00 AM 0.00 0.0 M 0.0 M
10/29/2009 7:30 AM 0.80 0.0 M 0.0 M Showers and scattered thunderstorms overnight. Cloudy at observation.
10/30/2009 7:00 AM 1.02 0.0 M 0.0 M Light to moderate rain all day.
10/31/2009 7:00 AM 0.03 0.0 M 0.0 M Light showers last evening.
11/1/2009 7:00 AM 0.00 0.0 M 0.0 M
11/2/2009 7:00 AM 0.00 0.0 M 0.0 M
11/3/2009 7:00 AM 0.00 0.0 M 0.0 M
11/4/2009 7:00 AM 0.01 0.0 M 0.0 M Light showers in the afternoon.
11/5/2009 7:00 AM 0.00 0.0 M 0.0 M
11/6/2009 7:00 AM 0.00 0.0 M 0.0 M
11/7/2009 7:00 AM 0.00 0.0 M 0.0 M
11/8/2009 7:00 AM 0.00 0.0 M 0.0 M
11/9/2009 7:00 AM 0.00 0.0 M 0.0 M
11/10/2009 7:00 AM 0.00 0.0 M 0.0 M
11/11/2009 7:00 AM 0.00 0.0 M 0.0 M
11/12/2009 7:00 AM 0.00 0.0 M 0.0 M
11/13/2009 7:00 AM 0.00 0.0 M 0.0 M
11/14/2009 7:00 AM 0.00 0.0 M 0.0 M
11/15/2009 7:00 AM T 0.0 M 0.0 M Brief light shower or two yesterday morning.
11/16/2009 7:00 AM 0.00 0.0 M 0.0 M
11/17/2009 7:00 AM 0.05 T M 0.0 M Occasional light rain in the afternoon and overnight, mixed with light sleet and a few wet snowflakes at times after 9 pm.
11/18/2009 7:00 AM T 0.0 M 0.0 M A little drizzle early this morning.
11/19/2009 7:00 AM 0.11 0.0 M 0.0 M Periods of light rain and drizzle in the afternoon and overnight.
11/21/2009 7:00 AM 0.00 0.0 M 0.0 M Dense fog overnight and early morning.
11/22/2009 7:00 AM 0.00 0.0 M 0.0 M Dense fog yesterday morning.
11/23/2009 7:00 AM 0.04 0.0 M 0.0 M Scattered light rain showers.
11/24/2009 7:45 AM 0.26 0.0 M 0.0 M Showers and isolated thunderstorms in the early morning and at observation.
11/25/2009 7:00 AM 0.56 0.0 M 0.0 M Showers through the day and into the night.
11/26/2009 7:00 AM 0.17 T M 0.0 M Light rain showers mixed at times with light snow and sleet in the afternoon and evening. A brief light accumulation around 1800 which melted quickly.
11/27/2009 7:00 AM 0.00 0.0 M 0.0 M
11/28/2009 7:00 AM 0.00 0.0 M 0.0 M
11/29/2009 7:00 AM 0.00 0.0 M 0.0 M
11/30/2009 7:00 AM 0.00 0.0 M 0.0 M
12/1/2009 7:00 AM 0.00 0.0 M 0.0 M
12/2/2009 7:00 AM 0.00 0.0 M 0.0 M
12/3/2009 7:00 AM 0.00 0.0 M 0.0 M
12/4/2009 7:00 AM T T M 0.0 M Flurries and light snow showers from late morning through the afternoon.
12/5/2009 7:00 AM T T M 0.0 M Occasional very light snow showers (flurries) during the day.
12/6/2009 7:00 AM 0.00 0.0 M 0.0 M
12/7/2009 7:00 AM 0.20 2.2 M 2.0 M Light snow last night...steadiest 1900-2200
12/8/2009 7:00 AM 0.16 1.6 M 4.0 M Light snow began again last night. Light snow at observation. Total snow on ground averaged between 3.5 and 4 inches.
12/11/2009 7:00 AM 0.00 0.0 M 14.0 M
12/12/2009 7:00 AM 0.00 0.0 M 12.5 M
12/13/2009 7:00 AM T 0.0 M 10.0 M Light drizzle or freezing drizzle last evening.
12/14/2009 7:00 AM T 0.0 M 9.5 M Light freezing drizzle overnight. Glaze less than 0.1".
12/15/2009 7:00 AM 0.07 1.1 M 10.5 M Snow in the morning, then occasional flurries through late afternoon. Considerable blowing snow.
12/16/2009 7:00 AM 0.00 0.0 M 10.0 M
12/17/2009 7:00 AM 0.00 0.0 M 9.5 M
12/18/2009 7:00 AM 0.00 0.0 M 9.5 M
12/19/2009 7:00 AM 0.00 0.0 M 9.0 M
12/20/2009 7:00 AM T T M 9.0 M Very light snow or snizzle in the morning and early afternoon.
12/21/2009 7:00 AM 0.05 0.9 M 8.5 M Light snow yesterday morning.
12/22/2009 7:00 AM T T M 8.5 M Occasional patchy very light freezing drizzle and snow yesterday.
12/23/2009 7:00 AM T 0.0 M 8.0 M Patchy freezing drizzle...especially overnight. A very light glaze.
12/24/2009 7:00 AM 0.31 0.0 M 7.0 M Light freezing rain during the day changed to light rain in the evening. 0.1" ice accrual yesterday. Periods of drizzle when not raining. Foggy and 32.4 degrees at observation with drizzle.
12/25/2009 7:00 AM 0.87 4.0 M 9.5 M Light rain/drizzle through the day. Mixed with sleet around 5 pm, then changed to light snow at 615 pm. Snow mixed with or changed to sleet at times overnight. This cut down on the total accumulation. Cloudy with freezing drizzle at observation. Snow depth ranges from 3 to 14 inches.
12/26/2009 7:00 AM 0.04 1.2 M 10.5 M Very light snow in the morning and early afternoon...a little heavier in the late afternoon through midnight.
12/27/2009 7:00 AM 0.08 1.8 M 12.0 M Flurries during the day. Light fluffy snow during the night.
12/28/2009 7:00 AM T T M 11.5 M Occasional light flurries in the afternoon and evening. Low drifting as winds picked up.
12/29/2009 7:00 AM 0.00 0.0 M 10.0 M
12/30/2009 7:00 AM 0.03 0.3 M 10.5 M Light snow began early this morning. Light snow at observation.
12/31/2009 7:00 AM 0.04 0.5 M 11.0 M Light snow all day into the evening.
1/1/2010 7:00 AM 0.00 0.0 M 10.0 M
1/2/2010 7:00 AM T T M 10.0 M Flurries during the morning and early afternoon. Bitterly cold at observation at -23F.
1/3/2010 7:00 AM 0.00 0.0 M 10.0 M
1/4/2010 7:00 AM 0.00 0.0 M 9.5 M
1/5/2010 7:00 AM 0.00 0.0 M 9.5 M
1/6/2010 7:00 AM 0.00 0.0 M 9.0 M
1/7/2010 7:00 AM 0.19 5.0 M 13.5 M Light snow yesterday and overnight. Blowing snow and light snow at observation. Some drifting already occurring.
1/8/2010 7:00 AM 0.03 0.6 M 12.0 M Light snow all day and then again overnight. Considerable blowing and drifting snow. Gage catch lower than normal. Northwest winds 20 to 30 mph gusting to 40 mph.
1/9/2010 7:00 AM T T M 12.0 M Flurries in the afternoon. Freezing fog early in the morning coated trees with rime.
1/10/2010 7:00 AM 0.00 0.0 M 11.5 M
1/11/2010 7:00 AM 0.00 0.0 M 11.5 M
1/12/2010 8:00 AM 0.02 0.2 M 11.0 M Light snow early this morning and at observation.
1/13/2010 7:00 AM 0.01 0.1 M 11.0 M Light snow yesterday morning.
1/14/2010 7:00 AM 0.00 0.0 M 9.0 M
1/15/2010 7:00 AM 0.00 0.0 M 8.5 M
1/16/2010 7:00 AM 0.01 0.3 M 8.5 M Light snow or heavy freezing fog overnight.
1/17/2010 7:00 AM T 0.0 M 8.0 M Light freezing drizzle overnight. Temp just above freezing at observation with dense fog.
1/18/2010 7:00 AM 0.00 0.0 M 8.0 M Dense fog at observation.
1/19/2010 7:00 AM 0.00 0.0 M 8.0 M Dense fog most this period and at observation. Trees coated with fog frost.
1/20/2010 7:00 AM 0.20 T M 7.5 M Occasional light snow showers or snow grains yesterday. Freezing rain mixed with some sleet overnight. Light freezing rain at observation. Just over 0.2" glaze. Windy.
1/21/2010 7:00 AM 0.26 0.0 M 8.0 M Freezing rain continued through the morning then changed to periods of freeing drizzle that lasted well into the night. Got an additional 0.2 to 0.25" glaze for a storm total of 0.40 to 0.50" glaze.
1/22/2010 7:00 AM T 0.0 M 8.0 M Freezing drizzle overnight. A new light glaze this morning.
1/23/2010 7:00 AM 0.01 0.0 M 7.0 M Light freezing drizzle yesterday morning. Cloudy...windy and just above freezing at observation.
1/24/2010 7:00 AM 0.27 0.0 M 6.0 M Light rain yesterday morning followed by dense fog and drizzle. Windy and colder at observation.
1/25/2010 8:00 AM 0.09 2.8 M 9.0 M Light snow and tremendous blowing began last evening. Snow did not stick to snow board and rain gage catch was poor. Estimated snowfall based on drift size and area snow ratios. Drifts as large as 12 inches. Light snow and blowing snow at observation. Wind gusts as high as 45 mph.
1/26/2010 7:00 AM 0.09 2.1 M 10.5 M Light snow and tremendous blowing and drifting occurred in the past 24 hours. Gage catch was poor so melted snow is estimated based on surrounding reports. Snowfall also estimated. Drifts as high as 2.5 feet on the property
1/27/2010 7:00 AM T T M 10.5 M Occasional light snow showers yesterday.
1/28/2010 7:00 AM 0.01 0.1 M 10.0 M Light snow yesterday late morning through early afternoon.
1/29/2010 7:00 AM 0.00 0.0 M 10.0 M
1/30/2010 7:00 AM 0.00 0.0 M 9.5 M
1/31/2010 7:00 AM 0.00 0.0 M 9.0 M
2/1/2010 7:00 AM 0.00 0.0 M 8.5 M
2/2/2010 7:00 AM 0.05 0.6 M 9.0 M Light snow yesterday afternoon and evening.
2/3/2010 7:00 AM 0.00 0.0 M 8.5 M
2/4/2010 7:00 AM 0.00 0.0 M 8.0 M
2/5/2010 7:00 AM 0.06 0.6 M 9.0 M Light snow began overnight and continued at observation.
2/6/2010 7:00 AM 0.08 1.3 M 10.0 M Light snow all day, ended in the evening. Then some more light snow for a few hours overnight. Total snowfall for the event was 1.9 inches.
2/7/2010 7:00 AM T T M 9.0 M Light snow began ovenight. Light snow at observation.
2/8/2010 7:00 AM 0.12 2.8 M 11.0 M Light snow all day and night...becoming moderate at observation.
2/9/2010 7:00 AM 0.10 2.8 M 12.0 M Light to occassionally moderate snow all day...ended in the evening. Some blowing snow and minor drifting. Clear at observation.
2/10/2010 7:00 AM 0.02 0.3 M 10.5 M Light snow during the day. Blowing snow. Flurries began at observation.
2/11/2010 7:00 AM T T M 10.5 M Light snow in the morning.
2/12/2010 7:00 AM 0.02 0.2 M 10.0 M Light during the day and then overnight. Flurries at observation.
2/13/2010 7:00 AM T T M 10.0 M Flurries during the day.
2/14/2010 7:00 AM 0.08 1.5 M 10.5 M Light snow overnight and at observation.
2/15/2010 7:00 AM 0.10 2.1 M 12.0 M Light snow yesterday morning, then again overnight. Light snow at observation.
2/16/2010 7:00 AM 0.01 0.3 M 11.5 M Light snow/flurries til mid afternoon. Blowing snow.
2/17/2010 7:00 AM 0.00 0.0 M 11.5 M
2/18/2010 7:00 AM 0.00 0.0 M 11.0 M
2/19/2010 7:00 AM 0.00 0.0 M 10.5 M
2/20/2010 7:00 AM 0.26 2.8 M 12.0 M Light to moderate snow yesterday late morning through evening.
2/21/2010 7:00 AM 0.00 0.0 M 11.5 M
2/22/2010 7:00 AM 0.00 0.0 M 11.0 M
2/23/2010 7:00 AM T T M 11.0 M Flurries yesterday evening. Ice crystal fall overnight.
2/24/2010 7:00 AM T T M 11.0 M Flurries off and on all day.
2/25/2010 7:00 AM 0.00 0.0 M 10.5 M
2/26/2010 7:00 AM 0.00 0.0 M 10.5 M
2/27/2010 7:00 AM 0.00 0.0 M 10.0 M
2/28/2010 7:00 AM 0.00 0.0 M 10.0 M
3/1/2010 7:00 AM 0.00 0.0 M 9.5 M
3/2/2010 7:00 AM 0.00 0.0 M 9.0 M
3/3/2010 7:00 AM 0.00 0.0 M 8.5 M
3/4/2010 7:00 AM 0.00 0.0 M 8.0 M Hoar frost at observation.
3/5/2010 7:00 AM 0.00 0.0 M 8.0 M
3/6/2010 7:00 AM 0.00 0.0 M 7.0 M
3/7/2010 7:00 AM 0.36 0.0 M 6.0 M Showers in the afternoon and into the night.
3/8/2010 7:00 AM 0.01 0.0 M 5.5 M Drizzle overnight.
3/9/2010 7:00 AM 0.14 0.0 M 4.0 M Light to moderate rain early this morning. Dense fog overnight. Cloudy at observation.
3/10/2010 7:00 AM 0.21 0.0 M 2.0 M Occasional light to moderate rain. Dense fog all day and into the night. Cloudy at observation. Snow pack now patchy and highly variable.
3/11/2010 7:00 AM 0.72 0.0 M T M Showers and moderate rain overnight. Snow depth coverage is less than 30 percent.
3/12/2010 7:00 AM 0.02 0.0 M T M Scattered showers during the day. Light drizzle overnight.
3/13/2010 7:00 AM T 0.0 M T M Light drizzle yesterday morning.
3/14/2010 7:00 AM 0.01 0.0 M 0.0 M Occasional drizzle or light rain during the day and evening.
3/15/2010 7:00 AM 0.00 0.0 M 0.0 M
3/16/2010 7:00 AM 0.00 0.0 M 0.0 M
3/17/2010 7:00 AM 0.03 0.0 M 0.0 M Light rain overnight.
3/18/2010 7:00 AM 0.00 0.0 M 0.0 M
3/19/2010 7:00 AM 0.00 0.0 M 0.0 M
3/20/2010 7:00 AM 0.28 4.1 M 4.0 M Light snow from mid afternoon through early morning.
3/21/2010 7:00 AM 0.00 0.0 M 0.5 M
3/22/2010 7:00 AM 0.00 0.0 M T M
3/23/2010 7:00 AM 0.00 0.0 M 0.0 M
3/24/2010 7:00 AM 0.00 0.0 M 0.0 M
3/25/2010 7:00 AM T 0.0 M 0.0 M Sprinkles during the day.
3/26/2010 7:00 AM 0.00 0.0 M 0.0 M
3/27/2010 7:00 AM 0.00 0.0 M 0.0 M
3/28/2010 7:00 AM 0.01 0.0 M 0.0 M Light rain last evening.
3/29/2010 7:00 AM 0.00 0.0 M 0.0 M
3/30/2010 7:00 AM 0.00 0.0 M 0.0 M
3/31/2010 7:00 AM 0.00 0.0 M 0.0 M
4/1/2010 7:00 AM 0.00 0.0 M 0.0 M
4/2/2010 7:00 AM 0.00 0.0 M 0.0 M
4/3/2010 7:00 AM 0.15 0.0 M 0.0 M Rain showers and occasional thunderstorm around midday.
4/4/2010 7:00 AM 0.00 0.0 M 0.0 M
4/5/2010 7:00 AM 0.00 0.0 M 0.0 M
4/6/2010 7:00 AM 1.77 0.0 M 0.0 M Showers during the afternoon and night with occasional thunderstorms. Some thunderstorms produced pea size hail.
4/7/2010 7:00 AM 0.00 0.0 M 0.0 M
4/8/2010 7:00 AM 0.61 0.0 M 0.0 M Light to moderate rain in the afternoon.
4/9/2010 7:00 AM 0.00 0.0 M 0.0 M
4/10/2010 7:00 AM 0.00 0.0 M 0.0 M
4/17/2010 7:00 AM 0.00 0.0 M 0.0 M
4/18/2010 7:00 AM 0.00 0.0 M 0.0 M
4/19/2010 7:00 AM 0.00 0.0 M 0.0 M
4/20/2010 7:00 AM 0.00 0.0 M 0.0 M
4/21/2010 7:00 AM 0.00 0.0 M 0.0 M
4/22/2010 7:00 AM 0.02 0.0 M 0.0 M Light shower in the early evening.
4/23/2010 7:25 AM 0.22 0.0 M 0.0 M Rain began early this morning.
4/24/2010 7:00 AM 0.66 0.0 M 0.0 M Light rain/drizzle all day. Thunderstorms after midnight. Partly cloudy at observation.
4/25/2010 7:00 AM 0.57 0.0 M 0.0 M Scattered showers during the afternoon. Thunderstorms in the early evening followed by periods of showers overnight. Light rain at observation.
4/26/2010 7:00 AM 0.45 0.0 M 0.0 M Light rain on and off all day
4/27/2010 7:00 AM 0.14 0.0 M 0.0 M Light rain in the late morning through afternoon.
4/28/2010 7:00 AM 0.00 0.0 M 0.0 M
4/29/2010 7:00 AM 0.00 0.0 M 0.0 M
4/30/2010 7:00 AM 0.41 0.0 M 0.0 M Thunderstorms early this morning. Cloudy at observation.
5/1/2010 7:00 AM 0.13 0.0 M 0.0 M Showers yesterday morning to early afternoon.
5/2/2010 7:00 AM 0.00 0.0 M 0.0 M
5/3/2010 7:00 AM 0.11 0.0 M 0.0 M A couple of light thunderstorms in the afternoon.
5/4/2010 7:00 AM 0.02 0.0 M 0.0 M Light showers and very gusty winds in the evening.
5/5/2010 7:00 AM 0.09 0.0 M 0.0 M Light showers overnight.
5/6/2010 7:00 AM 0.00 0.0 M 0.0 M
5/7/2010 7:00 AM 0.41 0.0 M 0.0 M Light rain and occasional thunder early in the morning.
5/8/2010 7:00 AM 0.02 0.0 M 0.0 M Scattered light showers yesterday morning.
5/9/2010 7:00 AM 0.00 0.0 M 0.0 M
5/10/2010 7:00 AM 0.00 0.0 M 0.0 M
5/11/2010 7:00 AM 1.07 0.0 M 0.0 M Rain and occasional thunderstorms yesterday morning through early this morning. Very windy in the afternoon and evening.
5/12/2010 7:00 AM 0.00 0.0 M 0.0 M
5/13/2010 7:00 AM 1.40 0.0 M 0.0 M Showers and occasional thunderstorms yesterday and overnight. Foggy at observation.
5/14/2010 7:00 AM T 0.0 M 0.0 M Drizzle during the late morning.
5/15/2010 7:00 AM 0.00 0.0 M 0.0 M
5/16/2010 7:00 AM 0.00 0.0 M 0.0 M
5/17/2010 7:00 AM 0.07 0.0 M 0.0 M Light rain early this morning.
5/18/2010 7:00 AM 0.00 0.0 M 0.0 M
5/19/2010 7:00 AM 0.00 0.0 M 0.0 M
5/20/2010 7:00 AM 0.00 0.0 M 0.0 M
5/21/2010 7:00 AM 0.12 0.0 M 0.0 M Light rain in the afternoon and evening turned to drizzle overnight.
5/22/2010 7:00 AM 0.01 0.0 M 0.0 M Drizzle/very light rain in the morning.
5/23/2010 7:00 AM T 0.0 M 0.0 M Light shower in the late morning.
5/24/2010 7:00 AM 0.00 0.0 M 0.0 M
5/25/2010 7:00 AM 0.00 0.0 M 0.0 M
5/26/2010 7:00 AM 0.12 0.0 M 0.0 M Light thunderstorms in the evening.
5/27/2010 7:00 AM 0.00 0.0 M 0.0 M
5/28/2010 7:00 AM 0.00 0.0 M 0.0 M
5/29/2010 7:00 AM 0.00 0.0 M 0.0 M
5/30/2010 7:00 AM 0.00 0.0 M 0.0 M
5/31/2010 7:00 AM 0.08 0.0 M 0.0 M Light thunderstorms and showers late in the evening and overnight.
6/1/2010 7:00 AM 0.00 0.0 M 0.0 M
6/2/2010 7:00 AM 0.88 0.0 M 0.0 M MCS moved through in the evening.
6/3/2010 7:00 AM 0.00 0.0 M 0.0 M
6/4/2010 7:00 AM 0.70 0.0 M 0.0 M Thunderstorms early this morning.
6/5/2010 7:45 AM 0.26 0.0 M 0.0 M Light began early in the morning. Light rain at observation. Lightning observed in the distance W through S from late evening through early morning.
6/6/2010 7:00 AM 0.28 0.0 M 0.0 M Thunderstorm in the late afternoon.
6/7/2010 7:00 AM 0.00 0.0 M 0.0 M
6/8/2010 7:00 AM 0.60 0.0 M 0.0 M MCS moved in just before sunrise. Heavy rain and thunder at observation.
6/9/2010 7:00 AM 0.39 0.0 M 0.0 M Rain and thunder continued in the morning. Thunderstorm in the early evening. Funnel cloud sited nearby.
6/10/2010 7:00 AM 0.00 0.0 M 0.0 M
6/11/2010 7:00 AM 0.77 0.0 M 0.0 M Thunderstorms (MCS) moved through around midday.
6/12/2010 7:00 AM 1.10 0.0 M 0.0 M MCS thunderstorms early yesterday morning (0630-0845) and then again early this morning (0445-0545). Thunder in the vicinity at observation.
6/13/2010 7:00 AM 1.08 0.0 M 0.0 M Thunderstorms in the morning.
6/14/2010 7:00 AM 1.46 0.0 M 0.0 M Thunderstorms yesterday morning, scattered showers during the late morning and early afternoon, and period of moderate rain early this morning.
6/15/2010 7:00 AM 0.02 0.0 M 0.0 M Drizzle in the morning.
6/16/2010 7:00 AM 0.01 0.0 M 0.0 M Light rain in the mid morning.
6/17/2010 7:00 AM 0.00 0.0 M 0.0 M
6/18/2010 7:00 AM 2.16 0.0 M 0.0 M Two separate MCSs moved through. One in the early morning yesterday...dumping 1.62 in 75 minutes. Another moved through last night around midnight.
6/19/2010 7:00 AM 0.55 0.0 M 0.0 M MCS in the morning with 60 mph winds. Light thunderstorm in the evening.
6/20/2010 7:00 AM 0.09 0.0 M 0.0 M Thunderstorm just before midnight.
6/21/2010 7:00 AM 0.25 0.0 M 0.0 M Light thunderstorm overnight.
7/4/2010 7:00 AM 0.14 0.0 M 0.0 M Light rain early this morning.
7/5/2010 7:00 AM 0.48 0.0 M 0.0 M Occasional light to moderate rain.
7/6/2010 7:00 AM 0.04 0.0 M 0.0 M Occasional light showers during the day.
7/7/2010 7:00 AM 0.00 0.0 M 0.0 M
7/8/2010 7:00 AM 0.04 0.0 M 0.0 M Light thunderstorm in the early evening.
7/9/2010 7:00 AM 0.00 0.0 M 0.0 M
7/10/2010 7:00 AM 0.00 0.0 M 0.0 M
7/11/2010 7:00 AM 0.04 0.0 M 0.0 M Light showers early this morning.
7/12/2010 7:00 AM 0.04 0.0 M 0.0 M Showers yesterday morning.
7/13/2010 7:00 AM 0.24 0.0 M 0.0 M Thunderstorm and showers in the early afternoon.
7/14/2010 7:00 AM 0.00 0.0 M 0.0 M
7/15/2010 7:00 AM 0.10 0.0 M 0.0 M Light thunderstorm early in the night.
7/16/2010 7:00 AM 0.00 0.0 M 0.0 M
7/17/2010 7:00 AM 0.00 0.0 M 0.0 M
7/18/2010 7:00 AM 2.20 0.0 M 0.0 M Severe derecho early this morning. 75-85 mph winds for 20 minutes. Much tree damage in neighborhood.
7/19/2010 8:00 AM 0.43 M M M M Thunderstorm (MCS) early this morning. Sprinkling at observation.
7/20/2010 7:00 AM 0.71 0.0 M 0.0 M Ocassional thunderstorms yesterday morning and early afternoon...and again early this morning.
7/21/2010 7:00 AM 0.00 0.0 M 0.0 M
7/22/2010 7:00 AM 0.00 0.0 M 0.0 M
7/23/2010 7:00 AM 0.32 0.0 M 0.0 M Occasional thunderstorms early this morning.
7/24/2010 7:00 AM 0.96 0.0 M 0.0 M Scattered showers and thunderstorms yesterday morning. Occasional thunderstorms last evening and overnight.
7/25/2010 7:00 AM 0.00 0.0 M 0.0 M
7/26/2010 7:00 AM 0.00 0.0 M 0.0 M
7/27/2010 7:00 AM 0.00 0.0 M 0.0 M
7/28/2010 7:00 AM 0.00 0.0 M 0.0 M
7/29/2010 7:00 AM 0.00 0.0 M 0.0 M
7/30/2010 7:00 AM 0.00 0.0 M 0.0 M
7/31/2010 7:00 AM 1.42 0.0 M 0.0 M MCS yesterday morning, then scattered showers during the afternoon.
8/1/2010 7:00 AM 0.00 0.0 M 0.0 M
8/2/2010 7:45 AM 0.15 0.0 M 0.0 M Light thunderstorms began early this morning and continued at observation.
8/3/2010 7:00 AM 1.21 0.0 M 0.0 M Light thunderstorm yesterday morning. Then brief showers in the late afternoon. MCS overnight.
8/4/2010 10:00 AM 1.73 0.0 M 0.0 M Thunderstorms overnight and this morning.
8/5/2010 7:00 AM 0.00 0.0 M 0.0 M
8/6/2010 7:00 AM 0.00 0.0 M 0.0 M
8/7/2010 7:00 AM 0.02 0.0 M 0.0 M Light thunderstorm early in the morning.
8/8/2010 7:00 AM 0.00 0.0 M 0.0 M
8/9/2010 7:00 AM 3.26 0.0 M 0.0 M Multiple MCSs overnight.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/25/2009 10/07/2009 7:00 AM 13 2.16 0.0 M
12/9/2009 12/10/2009 7:00 AM 2 0.71 14.5 M Blizzard occurred 12/9/09 so I could not get to the gage during the storm. The wind significantly reduced the catch by an estimated 30%. Total snowfall estimated around 12 inches 12/8-12/9 for an event total snowfall of around 14 inches. Snow Depth ranges from 1 inch to 28 inches in the yard. Higher drifts to 4 feet exist around the house. Sunny and -10F at observation.
4/11/2010 4/16/2010 8:00 PM 6 0.12 0.0 M
6/22/2010 7/03/2010 7:00 AM 12 4.64 0.0 M
8/10/2010 8/25/2010 6:00 AM 16 6.59 0.0 M



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
4/5/2010 1:30 PM 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard 2 1min no damage Continuous True After rain Same time as smaller hail 10-20
4/6/2010 2:35 AM 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard 5 1min no damage Intermittent True After rain Same time as smaller hail 30-40