Station Overview Station Location
Station Number WA-WM-10 Latitude 47.11719
Station Name Thornton 0.3 SE Longitude -117.385722
County Whitman Elevation (ft) 2322



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 19 1.37 2.01 13 2.01 13 0.00 0 0 12 0 0.0 0 0
Nov 19 2.51 0.64 6 0.64 6 0.00 0 0 6 0 0.0 0 0
Dec 19 2.42 1.95 15 1.95 15 0.00 0 0 13 1 2.5 4 3
Jan 20 2.21 4.08 22 4.08 22 0.00 0 0 21 0 11.9 8 8
Feb 20 1.62 1.70 8 1.70 8 0.00 0 0 7 1 2.7 1 2
March 20 1.81 0.72 8 0.31 5 0.41 3 1 5 0 0.1 1 1
April 20 1.52 0.72 9 0.72 9 0.00 0 0 8 0 0.1 1 1
May 20 1.73 4.46 12 4.46 12 0.00 0 0 12 0 0.0 0 0
June 20 1.36 1.69 12 1.69 12 0.00 0 0 10 1 0.0 0 0
July 20 0.69 0.33 2 0.33 2 0.00 0 0 2 0 0.0 0 0
Aug 20 0.53 0.05 3 0.05 3 0.00 0 0 2 1 0.0 0 0
Sept 20 0.78 0.17 3 0.17 3 0.00 0 0 3 0 0.0 0 0
Water Year Totals: 18.55" 18.52" 113 days 18.11" 110 0.41" 3 days 1 101 days 4 days 17.3" 15 days 15 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
10/1/2019
10/2/2019
10/3/2019 0.00
10/4/2019 0.07
10/5/2019 0.09
10/6/2019
10/7/2019
10/8/2019 0.08
10/9/2019 0.07
10/10/2019
10/11/2019
10/12/2019
10/13/2019
10/14/2019
10/15/2019
10/16/2019
10/17/2019 0.03
10/18/2019 0.13
10/19/2019 0.33
10/20/2019 0.59
10/21/2019 0.12
10/22/2019 0.43
10/23/2019
10/24/2019
10/25/2019
10/26/2019 0.05
10/27/2019
10/28/2019
10/29/2019 0.02
10/30/2019
10/31/2019
11/1/2019
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019
11/7/2019
11/8/2019
11/9/2019
11/10/2019 0.03
11/11/2019
11/12/2019
11/13/2019 0.12
11/14/2019
11/15/2019
11/16/2019 0.11
11/17/2019 0.02
11/18/2019 0.28
11/19/2019 0.08
11/20/2019
11/21/2019
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019 0.01
12/5/2019 0.01
12/6/2019
12/7/2019 0.08
12/8/2019 0.21
12/9/2019
12/10/2019
12/11/2019 0.15
12/12/2019 0.25
12/13/2019 0.44
12/14/2019 0.00
12/15/2019 0.03
12/16/2019 0.02
12/17/2019
12/18/2019
12/19/2019 0.14
12/20/2019 0.24
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019 0.09
12/28/2019
12/29/2019
12/30/2019 T
12/31/2019 0.28
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.21
1/2/2020
1/3/2020 0.10
1/4/2020 0.00
1/5/2020
1/6/2020 0.27
1/7/2020 0.23
1/8/2020 0.02
1/9/2020 0.05
1/10/2020
1/11/2020 0.52
1/12/2020 0.26
1/13/2020 0.53
1/14/2020 0.11
1/15/2020
1/16/2020 0.09
1/17/2020 0.06
1/18/2020
1/19/2020
1/20/2020
1/21/2020
1/22/2020
1/23/2020 0.29
1/24/2020 0.38
1/25/2020 0.03
1/26/2020 0.15
1/27/2020 0.09
1/28/2020 0.32
1/29/2020 0.04
1/30/2020 0.28
1/31/2020 0.05
2/1/2020
2/2/2020
2/3/2020
2/4/2020
2/5/2020 0.38
2/6/2020 0.58
2/7/2020 0.35
2/8/2020 0.04
2/9/2020 T
2/10/2020
2/11/2020
2/12/2020
2/13/2020
2/14/2020
2/15/2020 0.04
2/16/2020 0.26
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020 0.05
2/25/2020
2/26/2020
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020 **
3/7/2020 **
3/8/2020 0.41
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020 0.01
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020 0.05
3/26/2020
3/27/2020
3/28/2020
3/29/2020 0.08
3/30/2020 0.05
3/31/2020 0.12
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.14
4/2/2020 0.06
4/3/2020
4/4/2020
4/5/2020 0.17
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020 0.27
4/24/2020
4/25/2020
4/26/2020 0.02
4/27/2020 0.02
4/28/2020 0.02
4/29/2020 0.00
4/30/2020 0.02
5/1/2020
5/2/2020
5/3/2020 0.23
5/4/2020
5/5/2020
5/6/2020 0.46
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020 0.41
5/13/2020 0.62
5/14/2020
5/15/2020 0.02
5/16/2020
5/17/2020 0.04
5/18/2020 0.37
5/19/2020 0.30
5/20/2020 0.38
5/21/2020 0.96
5/22/2020 0.02
5/23/2020
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020 0.65
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020 0.11
6/7/2020 0.00
6/8/2020 0.36
6/9/2020 T
6/10/2020 0.07
6/11/2020
6/12/2020 0.01
6/13/2020 0.09
6/14/2020 0.41
6/15/2020 0.03
6/16/2020 0.16
6/17/2020
6/18/2020 0.21
6/19/2020
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020
6/28/2020
6/29/2020
6/30/2020 0.24
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.08
7/2/2020
7/3/2020
7/4/2020
7/5/2020
7/6/2020
7/7/2020 0.25
7/8/2020
7/9/2020
7/10/2020
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020
7/16/2020
7/17/2020
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020
7/30/2020
7/31/2020
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020 0.04
8/7/2020
8/8/2020
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020
8/14/2020
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020 0.01
8/20/2020 T
8/21/2020
8/22/2020
8/23/2020
8/24/2020
8/25/2020
8/26/2020
8/27/2020
8/28/2020
8/29/2020
8/30/2020
8/31/2020
9/1/2020
9/2/2020
9/3/2020
9/4/2020
9/5/2020
9/6/2020
9/7/2020
9/8/2020
9/9/2020
9/10/2020
9/11/2020
9/12/2020
9/13/2020
9/14/2020
9/15/2020
9/16/2020
9/17/2020
9/18/2020
9/19/2020
9/20/2020
9/21/2020
9/22/2020
9/23/2020
9/24/2020 0.10
9/25/2020 0.01
9/26/2020 0.06
9/27/2020
9/28/2020
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/3/2019 8:00 AM 0.00 0.0 M M M
10/4/2019 8:00 AM 0.07 M M M M
10/5/2019 8:00 AM 0.09 M M M M
10/8/2019 8:00 AM 0.08 M M M M
10/9/2019 8:00 AM 0.07 0.0 M 0.0 M
10/17/2019 8:00 AM 0.03 M M M M
10/18/2019 7:00 AM 0.13 M M M M
10/19/2019 8:00 AM 0.33 M M M M
10/20/2019 8:00 AM 0.59 M M M M
10/21/2019 8:00 AM 0.12 M M M M
10/22/2019 8:00 AM 0.43 M M M M perfect rains to hopefully end this short term drought we were in.
10/26/2019 8:00 AM 0.05 M M M M
10/29/2019 8:00 AM 0.02 T M T M
11/10/2019 8:00 AM 0.03 M M M M
11/13/2019 8:00 AM 0.12 M M M M
11/16/2019 8:00 AM 0.11 M M M M
11/17/2019 8:00 AM 0.02 M M M M
11/18/2019 8:00 AM 0.28 M M M M
11/19/2019 7:00 AM 0.08 M M M M
12/4/2019 8:00 AM 0.01 M M M M
12/5/2019 8:00 AM 0.01 M M M M
12/7/2019 8:00 AM 0.08 M M M M
12/8/2019 8:00 AM 0.21 M M M M
12/11/2019 8:00 AM 0.15 1.0 0.15 1.0 M
12/12/2019 8:00 AM 0.25 0.0 M 0.0 M
12/13/2019 8:00 AM 0.44 0.0 M 0.0 M Happy to report there was no frost left in the ground, all of the precipitation was absorbed!
12/14/2019 8:00 AM 0.00 0.0 M M M
12/15/2019 8:00 AM 0.03 0.1 0.03 M M Light dusting of snow this morning
12/16/2019 8:00 AM 0.02 T M T M
12/19/2019 8:00 AM 0.14 1.2 0.13 1.0 M Blowing snow this morning, so took an average to figure depth. It is currently 33 degrees with the temp continuing to rise
12/20/2019 8:00 AM 0.24 0.0 M 0.0 M
12/27/2019 8:00 AM 0.09 0.2 M 0.2 M
12/30/2019 8:00 AM T T T T M
12/31/2019 8:00 AM 0.28 M M M M
1/1/2020 8:00 AM 0.21 M M M M
1/3/2020 8:00 AM 0.10 0.0 M 0.0 M
1/4/2020 8:00 AM 0.00 0.0 M 0.0 M
1/6/2020 8:00 AM 0.27 0.5 M 0.5 M
1/7/2020 8:00 AM 0.23 0.0 M 0.0 M
1/8/2020 8:00 AM 0.02 M M M M
1/9/2020 8:00 AM 0.05 0.2 0.05 0.2 M
1/11/2020 8:00 AM 0.52 3.5 0.41 3.5 M High wind and drifting snow last night with the temp then rising to 35 degrees around 8pm last night. At one point we had over 5"" of snow. There was significant melting all night and currently rain this morning with the temp at 34
1/12/2020 8:00 AM 0.26 1.5 0.18 3.5 M Rain yesterday and a snow shower last night around midnight
1/13/2020 8:00 AM 0.53 2.0 M 4.0 M
1/14/2020 8:00 AM 0.11 2.0 0.11 6.0 M
1/16/2020 8:00 AM 0.09 1.2 0.09 M M
1/17/2020 8:00 AM 0.06 1.0 0.06 6.0 M
1/23/2020 8:00 AM 0.29 0.0 M 1.5 M
1/24/2020 8:00 AM 0.38 0.0 M T M The remaining snow is melting fast!
1/25/2020 8:00 AM 0.03 0.0 M T M
1/26/2020 10:00 AM 0.15 0.0 M T M
1/27/2020 8:00 AM 0.09 0.0 M T M
1/28/2020 8:00 AM 0.32 0.0 M T M
1/29/2020 8:00 AM 0.04 0.0 M T M
1/30/2020 8:00 AM 0.28 0.0 M T M The drain tile lines in the fields set at 36" deep are starting to run good which is a great indicator we are building good sub moisture in the soil profile
1/31/2020 8:00 AM 0.05 0.0 M T M
2/5/2020 8:00 AM 0.38 2.7 0.38 2.7 M
2/6/2020 8:00 AM 0.58 0.0 M 0.5 M Snow turning to rain yesterday and all of last night
2/7/2020 8:00 AM 0.35 0.0 M T M
2/8/2020 8:00 AM 0.04 0.0 M T M
2/9/2020 8:00 AM T 0.0 M T M
2/15/2020 8:00 AM 0.04 T T T M
2/16/2020 8:00 AM 0.26 0.0 M 0.0 M There was around .5" of wet snow last night but then turning to rain and all melting
2/24/2020 8:00 AM 0.05 0.0 M 0.0 M
3/15/2020 8:00 AM 0.01 T M T M
3/25/2020 8:00 AM 0.05 0.1 0.00 0.1 M Ice and snow starting around 4:45am. The grass is still partially white but the roads are now wet
3/29/2020 8:00 AM 0.08 M M M M Much welcomed precipitation!
3/30/2020 8:00 AM 0.05 M M M M
3/31/2020 8:00 AM 0.12 M M M M
4/1/2020 8:00 AM 0.14 0.1 M 0.1 M What a spectacular show from Mother Nature yesterday! Brief periods of white out graupel storms with thunder then sun five minutes later!
4/2/2020 8:00 AM 0.06 0.0 M 0.0 M
4/5/2020 8:00 AM 0.17 0.0 M 0.0 M
4/23/2020 8:00 AM 0.27 M M M M Welcomed rains yesterday and after midnight. There was thunder and lightning with a brief downpour at 1:00am
4/26/2020 8:00 AM 0.02 M M M M
4/27/2020 8:00 AM 0.02 M M M M
4/28/2020 8:00 AM 0.02 M M M M
4/29/2020 8:00 AM 0.00 0.0 M M M
4/30/2020 8:00 AM 0.02 M M M M another little cell passing by dropping .02". We are need of a good soaking rain!
5/3/2020 8:00 AM 0.23 M M M M This rain came at a critical time for the crops that were starting to show some drought stress in certain areas
5/6/2020 9:00 AM 0.46 M M M M
5/12/2020 8:00 AM 0.41 M M M M
5/13/2020 8:00 AM 0.62 M M M M
5/15/2020 8:00 AM 0.02 M M M M
5/17/2020 8:00 AM 0.04 M M M M
5/18/2020 8:00 AM 0.37 M M M M There was heavy thunderstorm activity late afternoon yesterday, but happy to report no hail or flash flooding in the area of this station
5/19/2020 8:00 AM 0.30 M M M M
5/20/2020 8:00 AM 0.38 M M M M For farmers,'Rain is a good thing'!! (In May)!Lol!!
5/21/2020 8:00 AM 0.96 M M M M What a great total rain event in May so far to ease the eastern Washington drought!
5/22/2020 8:00 AM 0.02 M M M M A rouge cell with a quick 5 minute shower
5/31/2020 8:00 AM 0.65 M M M M Heavy rain after 3 am, but no damage to crops or fields
6/6/2020 8:00 AM 0.11 M M M M
6/7/2020 8:00 AM 0.00 0.0 M M M
6/8/2020 8:00 AM 0.36 M M M M A heavy rain and brief downpour yesterday afternoon/ early evening
6/9/2020 8:00 AM T M M M M
6/10/2020 8:00 AM 0.07 M M M M
6/12/2020 8:00 AM 0.01 M M M M
6/13/2020 8:00 AM 0.09 M M M M
6/14/2020 8:00 AM 0.41 M M M M
6/15/2020 8:00 AM 0.03 M M M M
6/16/2020 8:00 AM 0.16 M M M M
6/18/2020 8:00 AM 0.21 M M M M An unexpected heavy rain shower last night around 6ish, adding to the great monthly totals for May/June
6/30/2020 8:00 AM 0.24 M M M M
7/1/2020 8:00 AM 0.08 M M M M
7/7/2020 8:00 AM 0.25 M M M M
8/6/2020 8:00 AM 0.04 M M M M
8/19/2020 8:00 AM 0.01 M M M M Just enough to wet the pavement and make windshields messy!
8/20/2020 8:00 AM T M M M M
9/24/2020 8:00 AM 0.10 M M M M
9/25/2020 8:00 AM 0.01 M M M M
9/26/2020 8:00 AM 0.06 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/6/2020 3/08/2020 8:00 AM 3 0.41 0.0 0.00



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