Station Overview Station Location
Station Number WA-BT-10 Latitude 46.20094
Station Name Prosser 0.4 SSE Longitude -119.76163
County Benton Elevation (ft) 771



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 0.70 0.76 29 0.61 27 0.15 2 1 7 3 0.0 0 0
Nov 10 1.04 0.81 30 0.74 20 0.07 10 2 6 0 3.5 3 3
Dec 10 1.28 2.43 30 2.43 30 0.00 0 0 10 10 5.2 4 15
Jan 11 1.12 0.42 31 0.42 31 0.00 0 0 6 5 0.9 2 1
Feb 11 0.83 0.08 28 0.08 28 0.00 0 0 2 2 0.0 0 0
March 11 0.77 1.17 28 1.17 28 0.00 0 0 12 7 0.0 0 0
April 11 0.68 0.33 27 0.21 25 0.12 2 1 3 3 0.0 0 0
May 11 0.68 1.32 31 1.32 31 0.00 0 0 8 5 0.0 0 0
June 11 0.68 0.19 27 0.19 26 0.00 1 0 5 2 0.0 0 0
July 11 0.28 0.01 30 0.01 27 0.00 3 2 1 2 0.0 0 0
Aug 11 0.28 0.00 31 0.00 31 0.00 0 0 0 1 0.0 0 0
Sept 11 0.45 0.02 25 0.00 20 0.02 5 1 0 2 0.0 0 0
Water Year Totals: 8.79" 7.54" 347 days 7.18" 324 0.36" 23 days 7 60 days 42 days 9.6" 9 days 19 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 T
10/5/2010
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 **
10/10/2010 0.15
10/11/2010 0.16
10/12/2010 0.00
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 0.00
10/19/2010 0.00
10/20/2010
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.06
10/24/2010 0.17
10/25/2010 0.01
10/26/2010 0.00
10/27/2010 T
10/28/2010 T
10/29/2010 0.19
10/30/2010 0.01
10/31/2010 0.01
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 0.16
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.09
11/11/2010 **
11/12/2010 **
11/13/2010 **
11/14/2010 0.07
11/15/2010 0.00
11/16/2010 0.00
11/17/2010 0.00
11/18/2010 0.11
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.19
11/23/2010 0.04
11/24/2010 **
11/25/2010 **
11/26/2010 **
11/27/2010 **
11/28/2010 **
11/29/2010 T
11/30/2010 0.15
12/1/2010 T
12/2/2010 0.14
12/3/2010 T
12/4/2010
12/5/2010 T
12/6/2010 T
12/7/2010 0.00
12/8/2010 T
12/9/2010 0.00
12/10/2010 0.21
12/11/2010 0.02
12/12/2010 0.35
12/13/2010 0.00
12/14/2010 0.07
12/15/2010 T
12/16/2010 0.00
12/17/2010 0.00
12/18/2010 0.56
12/19/2010 T
12/20/2010 0.13
12/21/2010 0.00
12/22/2010 T
12/23/2010 0.15
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 T
12/28/2010 0.05
12/29/2010 0.75
12/30/2010 T
12/31/2010 0.00
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 T
1/8/2011 0.00
1/9/2011 0.00
1/10/2011 T
1/11/2011 0.00
1/12/2011 0.07
1/13/2011 0.05
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.21
1/17/2011 0.00
1/18/2011 0.00
1/19/2011 0.00
1/20/2011 0.00
1/21/2011 0.02
1/22/2011 0.05
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.02
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 T
1/30/2011 T
1/31/2011 T
2/1/2011 0.00
2/2/2011 0.00
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.00
2/7/2011 0.00
2/8/2011 T
2/9/2011 0.00
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 0.07
2/16/2011 0.01
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 0.00
2/21/2011 0.00
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.00
2/26/2011 0.00
2/27/2011 0.00
2/28/2011 T
3/1/2011 0.11
3/2/2011 0.05
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.00
3/7/2011
3/8/2011 T
3/9/2011 0.09
3/10/2011 T
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 T
3/14/2011 0.20
3/15/2011 0.01
3/16/2011
3/17/2011 0.02
3/18/2011 T
3/19/2011 0.12
3/20/2011 T
3/21/2011 0.11
3/22/2011 0.00
3/23/2011 0.01
3/24/2011 0.00
3/25/2011 T
3/26/2011
3/27/2011 0.19
3/28/2011 0.24
3/29/2011 0.02
3/30/2011 T
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.00
4/5/2011 T
4/6/2011 0.00
4/7/2011 T
4/8/2011 0.00
4/9/2011 0.00
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 0.00
4/13/2011
4/14/2011 0.02
4/15/2011 0.01
4/16/2011 0.18
4/17/2011 0.00
4/18/2011 0.00
4/19/2011 0.00
4/20/2011 0.00
4/21/2011 0.00
4/22/2011
4/23/2011 0.00
4/24/2011
4/25/2011 **
4/26/2011 0.12
4/27/2011 0.00
4/28/2011 0.00
4/29/2011 T
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.00
5/3/2011 0.06
5/4/2011 0.00
5/5/2011 0.00
5/6/2011 T
5/7/2011 0.06
5/8/2011 0.00
5/9/2011 T
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.09
5/13/2011 0.00
5/14/2011 0.01
5/15/2011 0.85
5/16/2011 T
5/17/2011 0.00
5/18/2011 0.00
5/19/2011 0.00
5/20/2011 0.00
5/21/2011 0.00
5/22/2011 T
5/23/2011 T
5/24/2011 0.00
5/25/2011 0.00
5/26/2011 0.02
5/27/2011 0.02
5/28/2011 0.00
5/29/2011 0.00
5/30/2011 0.21
5/31/2011 0.00
6/1/2011 0.04
6/2/2011 0.01
6/3/2011
6/4/2011 0.00
6/5/2011 0.00
6/6/2011 0.00
6/7/2011 T
6/8/2011 0.01
6/9/2011 0.10
6/10/2011 0.00
6/11/2011 0.00
6/12/2011 0.00
6/13/2011
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011 0.00
6/18/2011 T
6/19/2011 0.03
6/20/2011
6/21/2011 0.00
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 0.00
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 **
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011
7/3/2011 0.00
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 0.00
7/9/2011 0.00
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.00
7/13/2011 0.00
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 T
7/17/2011 **
7/18/2011 0.00
7/19/2011 T
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 0.01
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 0.00
7/30/2011 0.00
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 0.00
8/6/2011 0.00
8/7/2011 0.00
8/8/2011 0.00
8/9/2011 0.00
8/10/2011 0.00
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.00
8/16/2011 0.00
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.00
8/20/2011 0.00
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 0.00
8/29/2011 T
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.00
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 0.00
9/6/2011
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.00
9/14/2011
9/15/2011
9/16/2011 **
9/17/2011 **
9/18/2011 **
9/19/2011 **
9/20/2011 0.02
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.00
9/24/2011
9/25/2011 T
9/26/2011 0.00
9/27/2011 T
9/28/2011 0.00
9/29/2011
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.00 0.0 M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM T M M M M
10/6/2010 7:00 AM 0.00 0.0 M M M
10/7/2010 7:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.00 0.0 M M M showers around Thursday but none here
10/11/2010 7:00 AM 0.16 M M M M
10/12/2010 7:00 AM 0.00 0.0 M M M
10/13/2010 7:00 AM 0.00 0.0 M M M
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.00 0.0 M M M
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM 0.00 0.0 M M M
10/19/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.00 0.0 M M M
10/23/2010 9:00 AM 0.06 M M M M early morning rain. cloudy with S wind.
10/24/2010 9:00 AM 0.17 M M M M
10/25/2010 8:30 AM 0.01 M M M M
10/26/2010 7:00 AM 0.00 0.0 M M M
10/27/2010 7:00 AM T M M M M
10/28/2010 8:00 AM T M M M M Lgt rain at obs time
10/29/2010 7:00 AM 0.19 M M M M
10/30/2010 9:00 AM 0.01 M M M M
10/31/2010 7:00 AM 0.01 M M M M Lgt RW Saturday PM. Sunny this morning.
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 7:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/4/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 9:00 AM 0.16 M M M M
11/8/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 7:00 AM 0.00 0.0 M M M
11/10/2010 7:00 AM 0.09 M M M M Cloudy. 39F
11/15/2010 7:00 AM 0.00 0.0 M M M
11/16/2010 7:00 AM 0.00 0.0 M M M
11/17/2010 7:00 AM 0.00 0.0 M M M
11/18/2010 7:00 AM 0.11 M M M M
11/19/2010 7:00 AM 0.00 0.0 M M M
11/20/2010 7:00 AM 0.00 0.0 M M M
11/21/2010 7:00 AM 0.00 0.0 M M M
11/22/2010 7:00 AM 0.19 1.5 0.19 1.5 0.19
11/23/2010 11:00 AM 0.04 0.5 0.04 1.5 0.04 snowed last 24 hours but also very windy so accuracy is very marginal.
11/30/2010 7:00 AM 0.15 1.5 0.15 2.0 0.19 currently lgt snow
12/1/2010 7:00 AM T M M M M
12/2/2010 7:00 AM 0.14 M M 1.5 0.45 Old snow has a crust and somewhat hard to measure with accuracy. It also has a lot of water in it. I measured it twice.
12/3/2010 9:00 AM T M M 1.5 0.41 Drizzle
12/5/2010 2:00 PM T M M 1.5 0.34
12/6/2010 8:00 AM T M M 1.0 0.41
12/7/2010 10:00 AM 0.00 0.0 M 1.0 0.40
12/8/2010 8:30 AM T M M 1.0 0.40 very little freezing rain this morning.
12/9/2010 7:00 AM 0.00 0.0 M M M chinook
12/10/2010 9:00 AM 0.21 M M M M occurred Thursday the 9th around 4-8pm
12/11/2010 10:00 AM 0.02 M M M M L- 34F. Not quite cold enough for ZL.
12/12/2010 8:00 AM 0.35 M M M M high winds, cldy, 54F this morning
12/13/2010 7:00 AM 0.00 0.0 M M M
12/14/2010 7:00 AM 0.07 M M M M
12/15/2010 7:00 AM T M M M M
12/16/2010 7:00 AM 0.00 0.0 M M M
12/17/2010 7:00 AM 0.00 0.0 M M M
12/18/2010 9:00 AM 0.56 3.2 0.56 3.0 0.56 snow started some time last night. 30F. Wind 3-5mph
12/19/2010 7:00 AM T 0.1 T 3.0 0.27
12/20/2010 9:30 AM 0.13 1.4 0.13 4.0 0.42 new snow from last night 2100hrs to unk. Total snow measured 3.8
12/21/2010 9:00 AM 0.00 0.0 M 3.5 0.39
12/22/2010 9:00 AM T M M 2.0 0.40 28F ZR- currently
12/23/2010 9:00 AM 0.15 0.5 0.15 2.0 0.49 cldy 5F 34F calm
12/24/2010 9:00 AM 0.00 0.0 M 1.0 0.46 actual old snow depth is 1.2. Melting 34F this morning.
12/25/2010 8:30 AM 0.00 0.0 M 1.0 0.39 Fog. 33F
12/26/2010 8:00 AM 0.00 0.0 M 1.0 0.27 38F
12/27/2010 9:00 AM T M M M M Windy
12/28/2010 8:30 AM 0.05 M M M M
12/29/2010 9:00 AM 0.75 M M M M wow
12/30/2010 9:00 AM T M M M M sleet. 30F
12/31/2010 7:00 AM 0.00 0.0 M M M
1/1/2011 7:00 AM 0.00 0.0 M M M
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 7:00 AM 0.00 0.0 M M M low 14F this morning
1/4/2011 7:00 AM 0.00 0.0 M M M
1/5/2011 7:00 AM 0.00 0.0 M M M
1/6/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM T M M M M
1/8/2011 7:00 AM 0.00 0.0 M M M
1/9/2011 8:00 AM 0.00 0.0 M M M S- started after 8:00 a.m. this morning.
1/10/2011 7:00 AM T 0.1 T M T
1/11/2011 7:00 AM 0.00 0.0 M M M
1/12/2011 8:00 AM 0.07 0.8 0.07 1.0 0.07 26F ZL- at observation time
1/13/2011 7:00 AM 0.05 M M 0.0 M about 0.2 snow remains after R- 35F
1/14/2011 7:00 AM 0.00 0.0 M M M
1/15/2011 7:00 AM 0.00 0.0 M M M
1/16/2011 7:00 AM 0.21 M M M M
1/17/2011 7:00 AM 0.00 0.0 M M M
1/18/2011 7:00 AM 0.00 0.0 M M M
1/19/2011 7:00 AM 0.00 0.0 M M M
1/20/2011 7:00 AM 0.00 0.0 M M M
1/21/2011 9:00 AM 0.02 M M M M R-- at observation time
1/22/2011 7:00 AM 0.05 M M M M
1/23/2011 7:00 AM 0.00 0.0 M M M
1/24/2011 7:00 AM 0.00 0.0 M M M
1/25/2011 7:00 AM 0.02 M M M M R- Monday morning the 24th
1/26/2011 7:00 AM 0.00 0.0 M M M
1/27/2011 7:00 AM 0.00 0.0 M M M
1/28/2011 7:00 AM 0.00 0.0 M M M
1/29/2011 7:00 AM T M M M M
1/30/2011 7:00 AM T M M M M
1/31/2011 7:00 AM T M M M M from S- Sunday aftn
2/1/2011 7:00 AM 0.00 0.0 M M M
2/2/2011 7:00 AM 0.00 0.0 M M M
2/3/2011 7:00 AM 0.00 0.0 M M M
2/4/2011 7:00 AM 0.00 0.0 M M M
2/5/2011 7:00 AM 0.00 0.0 M M M
2/6/2011 7:00 AM 0.00 0.0 M M M
2/7/2011 7:00 AM 0.00 0.0 M M M
2/8/2011 7:00 AM T M M M M
2/9/2011 7:00 AM 0.00 0.0 M M M
2/10/2011 7:00 AM 0.00 0.0 M M M
2/11/2011 7:00 AM 0.00 0.0 M M M
2/12/2011 7:00 AM 0.00 0.0 M M M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 7:00 AM 0.00 0.0 M M M
2/15/2011 9:00 AM 0.07 M M M M
2/16/2011 9:00 AM 0.01 M M M M tailend of rain yesterday morning.
2/17/2011 7:00 AM 0.00 0.0 M M M
2/18/2011 7:00 AM 0.00 0.0 M M M
2/19/2011 7:00 AM 0.00 0.0 M M M
2/20/2011 7:00 AM 0.00 0.0 M M M
2/21/2011 7:00 AM 0.00 0.0 M M M
2/22/2011 7:00 AM 0.00 0.0 M M M
2/23/2011 7:00 AM 0.00 0.0 M M M
2/24/2011 7:00 AM 0.00 0.0 M M M
2/25/2011 7:00 AM 0.00 0.0 M M M
2/26/2011 7:00 AM 0.00 0.0 M M M
2/27/2011 7:00 AM 0.00 0.0 M M M
2/28/2011 8:00 AM T M M M M
3/1/2011 8:00 AM 0.11 M M M M
3/2/2011 7:00 AM 0.05 M M M M
3/3/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM 0.00 0.0 M M M
3/5/2011 7:00 AM 0.00 0.0 M M M
3/6/2011 7:00 AM 0.00 0.0 M M M
3/8/2011 7:00 AM T M M M M
3/9/2011 8:30 AM 0.09 M M M M
3/10/2011 8:30 AM T M M M M
3/11/2011 7:00 AM 0.00 0.0 M M M
3/12/2011 7:00 AM 0.00 0.0 M M M
3/13/2011 7:00 AM T M M M M
3/14/2011 7:00 AM 0.20 M M M M
3/15/2011 8:30 AM 0.01 M M M M
3/17/2011 7:00 AM 0.02 M M M M
3/18/2011 7:00 AM T M M M M
3/19/2011 7:00 AM 0.12 M M M M
3/20/2011 7:00 AM T M M M M
3/21/2011 7:00 AM 0.11 M M M M
3/22/2011 7:00 AM 0.00 0.0 M M M
3/23/2011 7:00 AM 0.01 M M M M
3/24/2011 7:00 AM 0.00 0.0 M M M
3/25/2011 7:00 AM T M M M M
3/27/2011 7:30 AM 0.19 M M M M
3/28/2011 7:00 AM 0.24 M M M M
3/29/2011 7:00 AM 0.02 M M M M
3/30/2011 7:00 AM T M M M M
3/31/2011 7:00 AM 0.00 0.0 M M M
4/1/2011 7:00 AM 0.00 0.0 M M M
4/2/2011 7:00 AM 0.00 0.0 M M M
4/3/2011 7:00 AM 0.00 0.0 M M M
4/4/2011 7:00 AM 0.00 0.0 M M M
4/5/2011 7:00 AM T M M M M
4/6/2011 7:00 AM 0.00 0.0 M M M
4/7/2011 7:00 AM T M M M M
4/8/2011 7:00 AM 0.00 0.0 M M M
4/9/2011 7:00 AM 0.00 0.0 M M M
4/10/2011 7:00 AM 0.00 0.0 M M M
4/11/2011 7:00 AM 0.00 0.0 M M M
4/12/2011 7:00 AM 0.00 0.0 M M M
4/14/2011 7:00 AM 0.02 M M M M
4/15/2011 9:30 AM 0.01 M M M M currently lgt RA
4/16/2011 7:00 AM 0.18 M M M M
4/17/2011 7:00 AM 0.00 0.0 M M M
4/18/2011 7:00 AM 0.00 0.0 M M M
4/19/2011 7:00 AM 0.00 0.0 M M M
4/20/2011 7:00 AM 0.00 0.0 M M M
4/21/2011 7:00 AM 0.00 0.0 M M M
4/23/2011 7:00 AM 0.00 0.0 M M M
4/27/2011 7:00 AM 0.00 0.0 M M M
4/28/2011 7:00 AM 0.00 0.0 M M M
4/29/2011 7:00 AM T M M M M
4/30/2011 7:00 AM 0.00 0.0 M M M
5/1/2011 7:00 AM 0.00 0.0 M M M
5/2/2011 7:00 AM 0.00 0.0 M M M
5/3/2011 7:00 AM 0.06 M M M M
5/4/2011 7:00 AM 0.00 0.0 M M M
5/5/2011 7:00 AM 0.00 0.0 M M M
5/6/2011 7:00 AM T M M M M
5/7/2011 7:00 AM 0.06 M M M M
5/8/2011 7:00 AM 0.00 0.0 M M M
5/9/2011 7:00 AM T M M M M
5/10/2011 7:00 AM 0.00 0.0 M M M
5/11/2011 7:00 AM 0.00 0.0 M M M
5/12/2011 7:00 AM 0.09 M M M M
5/13/2011 7:00 AM 0.00 0.0 M M M
5/14/2011 7:00 AM 0.01 M M M M
5/15/2011 8:30 AM 0.85 M M M M WOW
5/16/2011 7:00 AM T M M M M
5/17/2011 7:00 AM 0.00 0.0 M M M
5/18/2011 7:00 AM 0.00 0.0 M M M
5/19/2011 7:00 AM 0.00 0.0 M M M
5/20/2011 7:00 AM 0.00 0.0 M M M
5/21/2011 7:00 AM 0.00 0.0 M M M
5/22/2011 7:00 AM T M M M M
5/23/2011 7:00 AM T M M M M
5/24/2011 7:00 AM 0.00 0.0 M M M
5/25/2011 7:00 AM 0.00 0.0 M M M
5/26/2011 7:00 AM 0.02 M M M M
5/27/2011 7:00 AM 0.02 M M M M
5/28/2011 7:00 AM 0.00 0.0 M M M
5/29/2011 7:00 AM 0.00 0.0 M M M
5/30/2011 7:00 AM 0.21 M M M M
5/31/2011 7:00 AM 0.00 0.0 M M M
6/1/2011 7:00 AM 0.04 M M M M
6/2/2011 9:00 AM 0.01 M M M M cloudy with continued sprinkles
6/4/2011 7:00 AM 0.00 0.0 M M M
6/5/2011 7:00 AM 0.00 0.0 M M M
6/6/2011 7:00 AM 0.00 0.0 M M M
6/7/2011 7:00 AM T M M M M
6/8/2011 8:15 AM 0.01 M M M M currently raining
6/9/2011 7:00 AM 0.10 M M M M
6/10/2011 7:00 AM 0.00 0.0 M M M
6/11/2011 7:00 AM 0.00 0.0 M M M
6/12/2011 7:00 AM 0.00 0.0 M M M
6/14/2011 7:00 AM 0.00 0.0 M M M
6/15/2011 7:00 AM 0.00 0.0 M M M
6/16/2011 7:00 AM 0.00 0.0 M M M
6/17/2011 7:00 AM 0.00 0.0 M M M
6/18/2011 8:15 AM T M M M M Raining now
6/19/2011 7:00 AM 0.03 M M M M
6/21/2011 7:00 AM 0.00 0.0 M M M
6/22/2011 7:00 AM 0.00 0.0 M M M
6/23/2011 7:00 AM 0.00 0.0 M M M
6/24/2011 7:00 AM 0.00 0.0 M M M
6/25/2011 7:00 AM 0.00 0.0 M M M
6/26/2011 7:00 AM 0.00 0.0 M M M
6/27/2011 7:00 AM 0.00 0.0 M M M
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM 0.00 0.0 M M M
7/5/2011 7:00 AM 0.00 0.0 M M M
7/6/2011 7:00 AM 0.00 0.0 M M M
7/7/2011 7:00 AM 0.00 0.0 M M M
7/8/2011 7:00 AM 0.00 0.0 M M M
7/9/2011 7:00 AM 0.00 0.0 M M M
7/10/2011 7:00 AM 0.00 0.0 M M M
7/11/2011 7:00 AM 0.00 0.0 M M M
7/12/2011 7:00 AM 0.00 0.0 M M M
7/13/2011 7:00 AM 0.00 0.0 M M M
7/14/2011 7:00 AM 0.00 0.0 M M M
7/15/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM T M M M M
7/19/2011 8:00 AM T M M M M Cloudy. 65F. very light drizzle.
7/20/2011 7:00 AM 0.00 0.0 M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/22/2011 7:00 AM 0.00 0.0 M M M
7/23/2011 7:00 AM 0.00 0.0 M M M
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 7:00 AM 0.00 0.0 M M M
7/26/2011 7:00 AM 0.01 M M M M 25/1:45dst TRW over Prosser and 1:55dst over hills S. cells moving NE.
7/27/2011 7:00 AM 0.00 0.0 M M M
7/28/2011 7:00 AM 0.00 0.0 M M M
7/29/2011 7:00 AM 0.00 0.0 M M M
7/30/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 7:00 AM 0.00 0.0 M M M
8/2/2011 7:00 AM 0.00 0.0 M M M
8/3/2011 7:00 AM 0.00 0.0 M M M
8/4/2011 7:00 AM 0.00 0.0 M M M
8/5/2011 7:00 AM 0.00 0.0 M M M
8/6/2011 7:00 AM 0.00 0.0 M M M
8/7/2011 7:00 AM 0.00 0.0 M M M
8/8/2011 7:00 AM 0.00 0.0 M M M
8/9/2011 7:00 AM 0.00 0.0 M M M
8/10/2011 7:00 AM 0.00 0.0 M M M
8/11/2011 7:00 AM 0.00 0.0 M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 7:00 AM 0.00 0.0 M M M
8/15/2011 7:00 AM 0.00 0.0 M M M
8/16/2011 7:00 AM 0.00 0.0 M M M
8/17/2011 7:00 AM 0.00 0.0 M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM 0.00 0.0 M M M
8/20/2011 7:00 AM 0.00 0.0 M M M
8/21/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 7:00 AM 0.00 0.0 M M M
8/23/2011 7:00 AM 0.00 0.0 M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM 0.00 0.0 M M M
8/27/2011 7:00 AM 0.00 0.0 M M M
8/28/2011 7:00 AM 0.00 0.0 M M M
8/29/2011 7:00 AM T M M M M Tstms with winds est 50mph, dust visibility <1mile moved through last night 8:00-8:30 pdt.
8/30/2011 7:00 AM 0.00 0.0 M M M
8/31/2011 7:00 AM 0.00 0.0 M M M
9/1/2011 7:00 AM 0.00 0.0 M M M
9/2/2011 7:00 AM 0.00 0.0 M M M
9/3/2011 7:00 AM 0.00 0.0 M M M
9/4/2011 7:00 AM 0.00 0.0 M M M
9/5/2011 7:00 AM 0.00 0.0 M M M
9/7/2011 7:00 AM 0.00 0.0 M M M
9/8/2011 7:00 AM 0.00 0.0 M M M
9/9/2011 7:00 AM 0.00 0.0 M M M
9/10/2011 7:00 AM 0.00 0.0 M M M
9/11/2011 7:00 AM 0.00 0.0 M M M
9/12/2011 7:00 AM 0.00 0.0 M M M
9/13/2011 7:00 AM 0.00 0.0 M M M
9/21/2011 7:00 AM 0.00 0.0 M M M
9/22/2011 7:00 AM 0.00 0.0 M M M
9/23/2011 7:00 AM 0.00 0.0 M M M
9/25/2011 8:00 AM T M M M M rainbow
9/26/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 10:00 AM T M M M M
9/28/2011 7:00 AM 0.00 0.0 M M M
9/30/2011 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/9/2010 10/10/2010 7:00 AM 2 0.15 M M
11/11/2010 11/14/2010 2:00 PM 4 0.07 M M according to local sources is rained Fiday night and Saturday night.
11/24/2010 11/29/2010 9:00 AM 6 T 1.0 M periods of S-. Currently freezing drizzle/fog/S-. 24 F
4/25/2011 4/26/2011 8:30 AM 2 0.12 M M
6/30/2011 7/01/2011 1:00 PM 2 0.00 M M
7/17/2011 7/18/2011 8:00 AM 2 0.00 M M
9/16/2011 9/20/2011 5:15 PM 5 0.02 M M Rain shower Saturday the 17th



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