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 16 1.37 7.09 22 5.51 20 1.58 2 1 20 0 0.0 0 0
Nov 16 2.51 2.33 13 2.33 13 0.00 0 0 12 1 0.2 1 0
Dec 16 2.42 1.64 15 1.64 15 0.00 0 0 13 1 12.8 9 10
Jan 17 2.21 1.76 15 1.76 15 0.00 0 0 11 1 11.2 8 15
Feb 17 1.62 4.25 18 4.25 18 0.00 0 0 14 3 8.9 5 14
March 17 1.81 5.52 26 5.52 26 0.00 0 0 25 0 2.5 3 2
April 17 1.52 1.39 10 1.39 10 0.00 0 0 9 0 0.0 0 0
May 17 1.73 1.42 8 1.42 8 0.00 0 0 8 0 0.0 0 0
June 17 1.36 1.54 7 1.54 7 0.00 0 0 7 0 0.0 0 0
July 17 0.69 0.02 1 0.02 1 0.00 0 0 1 0 0.0 0 0
Aug 17 0.53 0.05 4 0.05 4 0.00 0 0 3 1 0.0 0 0
Sept 17 0.78 1.08 5 1.08 5 0.00 0 0 5 0 0.0 0 0
Water Year Totals: 18.55" 28.09" 144 days 26.51" 142 1.58" 2 days 1 128 days 7 days 35.6" 26 days 41 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
10/1/2016 0.23
10/2/2016
10/3/2016
10/4/2016
10/5/2016 0.39
10/6/2016 0.01
10/7/2016 0.58
10/8/2016 0.18
10/9/2016 **
10/10/2016 1.58
10/11/2016
10/12/2016
10/13/2016
10/14/2016 0.93
10/15/2016 0.04
10/16/2016 0.33
10/17/2016 0.24
10/18/2016 0.09
10/19/2016 0.04
10/20/2016 0.03
10/21/2016 0.38
10/22/2016 0.20
10/23/2016
10/24/2016
10/25/2016 0.24
10/26/2016 0.21
10/27/2016 0.09
10/28/2016 0.15
10/29/2016
10/30/2016 0.17
10/31/2016 0.98
11/1/2016 0.04
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016 0.12
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016 0.04
11/13/2016
11/14/2016 0.31
11/15/2016 0.53
11/16/2016 0.12
11/17/2016
11/18/2016
11/19/2016 0.06
11/20/2016 0.07
11/21/2016 0.13
11/22/2016
11/23/2016 0.37
11/24/2016
11/25/2016
11/26/2016 0.08
11/27/2016
11/28/2016 0.46
11/29/2016
11/30/2016 T
12/1/2016 0.13
12/2/2016
12/3/2016 0.08
12/4/2016
12/5/2016
12/6/2016 0.03
12/7/2016
12/8/2016
12/9/2016 0.02
12/10/2016 0.29
12/11/2016
12/12/2016 0.12
12/13/2016 0.06
12/14/2016
12/15/2016 0.12
12/16/2016 T
12/17/2016
12/18/2016
12/19/2016 0.03
12/20/2016
12/21/2016 0.13
12/22/2016
12/23/2016
12/24/2016 0.41
12/25/2016
12/26/2016
12/27/2016 0.12
12/28/2016
12/29/2016 0.00
12/30/2016 0.10
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017 0.16
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017 0.18
1/9/2017 0.42
1/10/2017 0.13
1/11/2017 0.02
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017 0.00
1/17/2017
1/18/2017 0.36
1/19/2017 0.06
1/20/2017
1/21/2017
1/22/2017 0.05
1/23/2017 0.25
1/24/2017 0.02
1/25/2017 T
1/26/2017
1/27/2017 0.00
1/28/2017
1/29/2017
1/30/2017 0.00
1/31/2017 0.11
2/1/2017 T
2/2/2017
2/3/2017 T
2/4/2017 0.37
2/5/2017 0.14
2/6/2017 0.21
2/7/2017
2/8/2017 T
2/9/2017 0.46
2/10/2017 0.09
2/11/2017 0.00
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017 0.61
2/17/2017 0.58
2/18/2017
2/19/2017 0.39
2/20/2017 0.13
2/21/2017 0.52
2/22/2017 0.22
2/23/2017
2/24/2017
2/25/2017
2/26/2017 0.08
2/27/2017 0.14
2/28/2017 0.31
3/1/2017
3/2/2017
3/3/2017 0.08
3/4/2017 0.10
3/5/2017 0.23
3/6/2017 0.02
3/7/2017 0.08
3/8/2017 0.43
3/9/2017 0.19
3/10/2017 0.62
3/11/2017
3/12/2017 0.15
3/13/2017 0.00
3/14/2017 0.94
3/15/2017 0.27
3/16/2017 0.29
3/17/2017
3/18/2017 0.31
3/19/2017 0.23
3/20/2017
3/21/2017 0.02
3/22/2017 0.21
3/23/2017 0.03
3/24/2017 0.02
3/25/2017 0.46
3/26/2017 0.06
3/27/2017 0.22
3/28/2017 0.04
3/29/2017 0.31
3/30/2017 0.18
3/31/2017 0.03
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.00
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017 0.29
4/8/2017 0.05
4/9/2017
4/10/2017 0.22
4/11/2017
4/12/2017
4/13/2017 0.34
4/14/2017
4/15/2017
4/16/2017
4/17/2017 0.20
4/18/2017
4/19/2017 0.05
4/20/2017 0.07
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017 0.15
4/27/2017
4/28/2017
4/29/2017
4/30/2017 0.02
5/1/2017
5/2/2017 0.08
5/3/2017
5/4/2017
5/5/2017
5/6/2017 0.10
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017 0.32
5/13/2017
5/14/2017 0.06
5/15/2017
5/16/2017 0.48
5/17/2017 0.22
5/18/2017
5/19/2017
5/20/2017
5/21/2017 0.15
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017
5/30/2017
5/31/2017 0.01
6/1/2017
6/2/2017
6/3/2017
6/4/2017 0.11
6/5/2017 0.09
6/6/2017
6/7/2017
6/8/2017
6/9/2017 0.26
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017 0.36
6/17/2017 0.08
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017 0.52
6/28/2017
6/29/2017 0.12
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017 0.02
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017
8/8/2017
8/9/2017
8/10/2017
8/11/2017
8/12/2017
8/13/2017 T
8/14/2017 0.02
8/15/2017
8/16/2017
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017 0.02
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017 0.01
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017 0.37
9/19/2017 0.22
9/20/2017 0.16
9/21/2017 0.26
9/22/2017
9/23/2017 0.07
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 9:00 AM 0.23 M M M M Brief heavy rain from passing cell
10/5/2016 8:00 AM 0.39 M M M M
10/6/2016 8:00 AM 0.01 M M M M
10/7/2016 8:00 AM 0.58 M M M M
10/8/2016 8:00 AM 0.18 M M M M
10/14/2016 8:00 AM 0.93 M M M M
10/15/2016 8:00 AM 0.04 M M M M
10/16/2016 8:00 AM 0.33 M M M M
10/17/2016 8:00 AM 0.24 M M M M
10/18/2016 8:00 AM 0.09 M M M M
10/19/2016 8:00 AM 0.04 M M M M
10/20/2016 8:00 AM 0.03 M M M M
10/21/2016 8:00 AM 0.38 M M M M Today's recording officially puts this location at 5.07" of rain for October, already beating the all time month's precipitation record of 5.02" in March of 2012 for this station.
10/22/2016 8:00 AM 0.20 M M M M
10/25/2016 8:00 AM 0.24 M M M M
10/26/2016 8:00 AM 0.21 M M M M
10/27/2016 8:00 AM 0.09 M M M M
10/28/2016 8:00 AM 0.15 M M M M
10/30/2016 7:30 AM 0.17 M M M M
10/31/2016 8:00 AM 0.98 M M M M 7.09" to date for October for this station. We have received 1/3 of our annual precipitation in one month!
11/1/2016 8:00 AM 0.04 M M M M
11/6/2016 8:00 AM 0.12 M M M M
11/12/2016 8:00 AM 0.04 M M M M
11/14/2016 8:30 AM 0.31 M M M M
11/15/2016 8:30 AM 0.53 M M M M
11/16/2016 8:00 AM 0.12 0.0 M M M
11/19/2016 8:00 AM 0.06 M M M M
11/20/2016 7:30 AM 0.07 M M M M
11/21/2016 8:00 AM 0.13 M M M M
11/23/2016 8:00 AM 0.37 M M M M
11/26/2016 8:00 AM 0.08 M M M M
11/28/2016 8:00 AM 0.46 0.2 0.46 M M
11/30/2016 8:00 AM T M M M M
12/1/2016 8:00 AM 0.13 M M M M
12/3/2016 8:00 AM 0.08 0.0 0.00 0.0 0.00
12/6/2016 8:00 AM 0.03 0.5 0.04 0.5 M Very difficult to measure due to light drifting snow. Measurement is as accurate as possible
12/9/2016 8:00 AM 0.02 0.2 0.02 1.0 M
12/10/2016 8:00 AM 0.29 2.7 0.29 3.0 M
12/12/2016 8:00 AM 0.12 0.5 0.12 3.0 M
12/13/2016 8:00 AM 0.06 1.5 0.06 4.0 M
12/15/2016 8:00 AM 0.12 1.8 0.12 5.0 M
12/16/2016 8:00 AM T M M M M
12/19/2016 8:00 AM 0.03 0.1 0.03 6.5 M
12/21/2016 8:00 AM 0.13 M M M M
12/24/2016 8:00 AM 0.41 5.0 0.41 6.0 M
12/27/2016 8:00 AM 0.12 M 0.12 M M With the severe winds we had Last night, it is impossible to determine depth or new snow accumulation. There is 1" of snow in places, and 3' drifts 10 yards from that! Gotta love winter on the Palouse!
12/29/2016 8:00 AM 0.00 0.0 M 5.0 M
12/30/2016 8:00 AM 0.10 0.5 0.10 5.0 M
1/2/2017 8:00 AM 0.16 3.0 0.16 7.5 M Severe snow drifting. NE winds 15-20mph with gusts 25.
1/8/2017 8:00 AM 0.18 2.2 M 6.5 M
1/9/2017 8:00 AM 0.42 1.5 0.14 5.0 M Yesterday saw temps. rise from 25 to 35 in 1 hr. Precipitation was sleet, changing to heavy rain by mid afternoon then back to snow by late evening, what a mess of ice now covered by 1.5" snow!
1/10/2017 8:00 AM 0.13 1.2 0.13 10.5 2.28
1/11/2017 8:00 AM 0.02 0.2 0.02 10.5 2.30 We focused on SWE averages today, sampling four sites with an average depth of 10.5" and A SWE of 2.30". Some areas have 4' drifts and 50 yards from that 2" of snow. Many "layers" in the snow from the different weather events the past 30 days, including ice and heavy snow 3" down in the biscuit from the rain event Jan. 8 2017.
1/16/2017 8:00 AM 0.00 0.0 M 10.5 2.30
1/18/2017 8:00 AM 0.36 0.0 M 6.0 M Back road conditions are treacherous with compact wet ice. No flooding observed yet, but the snow is melting fast!
1/19/2017 8:00 AM 0.06 0.0 M 3.0 M Happy to report zero flooding in our area. Thorn creek at Thornton is barely above winter level. So far all melting snow and additional precip. is going in the ground.
1/22/2017 8:00 AM 0.05 0.0 M 1.5 M
1/23/2017 8:00 AM 0.25 0.2 0.03 1.5 0.28 last nights precip was rain, to sleet, to a sleet/snow mix. Average snow depth total is 1.5". Some areas are bare, and some have drifts 36" deep. The remaining snow pack is iced over and hard.
1/24/2017 8:00 AM 0.02 0.1 0.02 1.6 M
1/25/2017 8:00 AM T T M 1.6 M
1/27/2017 8:00 AM 0.00 0.0 M 3.0 M
1/30/2017 8:00 AM 0.00 0.0 M 3.0 1.55
1/31/2017 8:00 AM 0.11 2.8 0.11 5.8 M Very 'fluffy' snow!
2/1/2017 8:00 AM T T M 4.5 M
2/3/2017 8:00 AM T T M 4.5 M
2/4/2017 8:00 AM 0.37 1.2 0.16 3.5 M Mix of snow, sleet and now rain!
2/5/2017 9:00 AM 0.14 0.0 M 1.7 M
2/6/2017 8:00 AM 0.21 0.0 M 1.5 0.33
2/8/2017 8:00 AM T T M M M
2/9/2017 8:00 AM 0.46 0.0 M 1.5 M Currently 38 degrees, with all precip. falling as rain. Ground is frozen but so far no flooding or rising water in creeks.
2/10/2017 7:00 AM 0.09 0.0 M 1.4 M Minor creek flooding in areas where it was drifted shut.
2/11/2017 8:00 AM 0.00 0.0 M 1.5 M
2/16/2017 8:00 AM 0.61 0.0 M 0.5 M frost line is 3.5" below ground on average. The top soil is completely saturated. The area creeks have really risen the past 24 hours.
2/17/2017 8:00 AM 0.58 0.0 M 0.5 M
2/19/2017 8:00 AM 0.39 M M 0.5 M
2/20/2017 8:00 AM 0.13 0.0 M T M
2/21/2017 8:00 AM 0.52 T M T M Wet snow falling and barely sticking to the ground
2/22/2017 8:00 AM 0.22 0.2 0.10 M M
2/26/2017 8:00 AM 0.08 1.0 0.08 1.0 M Wet snow falling current temp 33 degrees
2/27/2017 8:00 AM 0.14 1.5 0.14 1.5 0.14
2/28/2017 8:00 AM 0.31 5.0 0.31 6.5 M
3/3/2017 8:00 AM 0.08 M M M M
3/4/2017 8:00 AM 0.10 M M M M
3/5/2017 8:00 AM 0.23 2.2 0.18 M M
3/6/2017 8:00 AM 0.02 0.1 0.02 2.0 M
3/7/2017 8:00 AM 0.08 0.2 0.04 0.2 M
3/8/2017 8:00 AM 0.43 0.0 M 0.0 M
3/9/2017 8:00 AM 0.19 T M M M Wet snow late evening March 8th and early this morning, with no accumulation. Very soggy ground conditions and hearing many people with water in basements!
3/10/2017 8:00 AM 0.62 0.0 M 0.0 M WET, WET, WET!!
3/12/2017 8:00 AM 0.15 0.0 M 0.0 M
3/13/2017 8:00 AM 0.00 0.0 M 0.0 M
3/14/2017 8:00 AM 0.94 0.0 M 0.0 M Standing water on most low ground. The flooding is not as bad as I fist anticipated, but the creeks and streams are at max level.
3/15/2017 8:00 AM 0.27 0.0 M 0.0 M Thorn creek & Cottonwood creek still flowing full, but no major flooding issues at the moment
3/16/2017 8:00 AM 0.29 0.0 M 0.0 M
3/18/2017 8:00 AM 0.31 0.0 M 0.0 M
3/19/2017 8:00 AM 0.23 M M M M
3/21/2017 8:00 AM 0.02 M M M M
3/22/2017 8:00 AM 0.21 M M M M
3/23/2017 8:00 AM 0.03 M M M M
3/24/2017 8:00 AM 0.02 M M M M
3/25/2017 7:00 AM 0.46 M M M M
3/26/2017 8:00 AM 0.06 M M M M
3/27/2017 8:00 AM 0.22 M M M M
3/28/2017 8:00 AM 0.04 M M M M
3/29/2017 8:00 AM 0.31 M M M M
3/30/2017 8:00 AM 0.18 M M M M
3/31/2017 8:00 AM 0.03 M M M M
4/1/2017 8:00 AM 0.00 0.0 M M M
4/7/2017 8:00 AM 0.29 M M M M
4/8/2017 8:00 AM 0.05 M M M M
4/10/2017 8:30 AM 0.22 M M M M
4/13/2017 8:00 AM 0.34 M M M M
4/17/2017 9:00 AM 0.20 M M M M
4/19/2017 8:00 AM 0.05 M M M M A rogue thunder cell passed over around 8:00PM last evening,with some thunder and a few lightning flashes!
4/20/2017 8:00 AM 0.07 M M M M
4/26/2017 8:00 AM 0.15 M M M M
4/30/2017 8:00 AM 0.02 M M M M
5/2/2017 8:00 AM 0.08 M M M M
5/6/2017 8:00 AM 0.10 M M M M
5/12/2017 8:00 AM 0.32 M M M M
5/14/2017 8:00 AM 0.06 M M M M
5/16/2017 8:00 AM 0.48 M M M M
5/17/2017 8:00 AM 0.22 M M M M
5/21/2017 8:00 AM 0.15 M M M M
5/31/2017 8:00 AM 0.01 M M M M
6/4/2017 8:00 AM 0.11 M M M M
6/5/2017 8:00 AM 0.09 M M M M
6/9/2017 8:00 AM 0.26 M M M M
6/16/2017 8:00 AM 0.36 M M M M
6/17/2017 8:00 AM 0.08 M M M M small cells passed through with brief and heavy rain
6/27/2017 8:00 AM 0.52 M M M M Heavy downpour starting at 6:20pm last light with strong wind gusts.
6/29/2017 8:00 AM 0.12 M M M M
7/15/2017 8:00 AM 0.02 M M M M
8/13/2017 8:00 AM T M M M M
8/14/2017 8:00 AM 0.02 M M M M just enough precip to settle the dust!
8/24/2017 8:00 AM 0.02 M M M M
8/30/2017 8:00 AM 0.01 M M M M strong thunder cell just south of my location last night around 11:45PM with thunder and lightning. Our location just caught the outer edge of the storm.
9/18/2017 8:30 AM 0.37 M M M M First measurable precip since 6/29/17!
9/19/2017 8:30 AM 0.22 M M M M
9/20/2017 8:30 AM 0.16 M M M M
9/21/2017 8:30 AM 0.26 M M M M
9/23/2017 8:00 AM 0.07 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/9/2016 10/10/2016 8:00 AM 2 1.58 M M What a great rain event! It is estimated this location had .10" as of 10/9/16 at 8:00am!The total presented is as of 10/8/2016. No standing water or soil erosion damage.



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