Station Overview Station Location
Station Number WA-WW-13 Latitude 46.0325050354004
Station Name Walla Walla 2.5 SSW Longitude -118.358222961426
County Walla Walla Elevation (ft) 863



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 1.31 3.83 31 1.18 12 2.65 19 1 6 0 0.0 0 0
Nov 16 2.22 0.52 30 0.11 8 0.41 22 1 2 0 0.0 0 0
Dec 16 2.00 0.00 31 0.00 0 0.00 31 0 0 0 0.0 0 0
Jan 17 1.85 3.54 31 0.32 14 3.22 17 1 6 3 0.6 2 2
Feb 17 1.63 2.67 28 0.86 8 1.81 20 2 4 1 0.0 0 0
March 17 1.89 3.60 31 0.28 5 3.32 26 2 2 1 0.0 0 0
April 17 1.57 1.66 30 0.20 14 1.46 16 2 3 1 0.0 0 0
May 17 1.79 0.93 29 0.00 10 0.93 19 2 0 2 0.0 0 0
June 17 1.14 0.00 4 0.00 4 0.00 0 0 0 0 0.0 0 0
July 17 0.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 17 0.47 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 17 0.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 17.03" 16.75" 245 days 2.95" 75 13.80" 170 days 11 23 days 8 days 0.6" 2 days 2 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 0.00
10/2/2016 0.00
10/3/2016 0.00
10/4/2016 **
10/5/2016 **
10/6/2016 **
10/7/2016 **
10/8/2016 **
10/9/2016 **
10/10/2016 **
10/11/2016 **
10/12/2016 **
10/13/2016 **
10/14/2016 **
10/15/2016 **
10/16/2016 **
10/17/2016 **
10/18/2016 **
10/19/2016 **
10/20/2016 **
10/21/2016 **
10/22/2016 2.65
10/23/2016 0.00
10/24/2016 0.00
10/25/2016 0.06
10/26/2016 0.19
10/27/2016 0.02
10/28/2016 0.10
10/29/2016 0.00
10/30/2016 0.31
10/31/2016 0.50
11/1/2016 0.04
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 **
11/8/2016 **
11/9/2016 **
11/10/2016 **
11/11/2016 **
11/12/2016 **
11/13/2016 **
11/14/2016 **
11/15/2016 **
11/16/2016 **
11/17/2016 **
11/18/2016 **
11/19/2016 0.41
11/20/2016 0.00
11/21/2016 0.07
11/22/2016 **
11/23/2016 **
11/24/2016 **
11/25/2016 **
11/26/2016 **
11/27/2016 **
11/28/2016 **
11/29/2016 **
11/30/2016 **
12/1/2016 **
12/2/2016 **
12/3/2016 **
12/4/2016 **
12/5/2016 **
12/6/2016 **
12/7/2016 **
12/8/2016 **
12/9/2016 **
12/10/2016 **
12/11/2016 **
12/12/2016 **
12/13/2016 **
12/14/2016 **
12/15/2016 **
12/16/2016 **
12/17/2016 **
12/18/2016 **
12/19/2016 **
12/20/2016 **
12/21/2016 **
12/22/2016 **
12/23/2016 **
12/24/2016 **
12/25/2016 **
12/26/2016 **
12/27/2016 **
12/28/2016 **
12/29/2016 **
12/30/2016 **
12/31/2016 **
Day of YearDaily PrcpMultiday Prcp
1/1/2017 **
1/2/2017 **
1/3/2017 **
1/4/2017 **
1/5/2017 **
1/6/2017 **
1/7/2017 **
1/8/2017 **
1/9/2017 **
1/10/2017 **
1/11/2017 **
1/12/2017 3.22
1/13/2017 0.00
1/14/2017 T
1/15/2017 0.02
1/16/2017 0.00
1/17/2017 T
1/18/2017 0.21
1/19/2017 0.00
1/20/2017 0.00
1/21/2017 0.01
1/22/2017 0.02
1/23/2017 0.03
1/24/2017 0.00
1/25/2017 T
1/26/2017 0.03
1/27/2017 **
1/28/2017 **
1/29/2017 **
1/30/2017 **
1/31/2017 **
2/1/2017 **
2/2/2017 **
2/3/2017 **
2/4/2017 **
2/5/2017 **
2/6/2017 **
2/7/2017 **
2/8/2017 **
2/9/2017 **
2/10/2017 **
2/11/2017 **
2/12/2017 1.03
2/13/2017 0.00
2/14/2017 0.00
2/15/2017 T
2/16/2017 0.32
2/17/2017 0.32
2/18/2017 0.02
2/19/2017 0.20
2/20/2017 0.00
2/21/2017 **
2/22/2017 0.78
2/23/2017 **
2/24/2017 **
2/25/2017 **
2/26/2017 **
2/27/2017 **
2/28/2017 **
3/1/2017 **
3/2/2017 **
3/3/2017 **
3/4/2017 **
3/5/2017 0.77
3/6/2017 0.03
3/7/2017 0.00
3/8/2017 T
3/9/2017 0.25
3/10/2017 **
3/11/2017 **
3/12/2017 **
3/13/2017 **
3/14/2017 **
3/15/2017 **
3/16/2017 **
3/17/2017 **
3/18/2017 **
3/19/2017 **
3/20/2017 **
3/21/2017 **
3/22/2017 **
3/23/2017 **
3/24/2017 **
3/25/2017 **
3/26/2017 **
3/27/2017 **
3/28/2017 **
3/29/2017 **
3/30/2017 2.55
3/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.00
4/2/2017 0.00
4/3/2017 0.00
4/4/2017 0.00
4/5/2017 T
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 0.03
4/9/2017 0.00
4/10/2017 0.14
4/11/2017 **
4/12/2017 **
4/13/2017 **
4/14/2017 **
4/15/2017 **
4/16/2017 0.26
4/17/2017 **
4/18/2017 **
4/19/2017 **
4/20/2017 **
4/21/2017 **
4/22/2017 **
4/23/2017 **
4/24/2017 **
4/25/2017 **
4/26/2017 1.20
4/27/2017 0.00
4/28/2017 0.00
4/29/2017 0.00
4/30/2017 0.03
5/1/2017 0.00
5/2/2017 T
5/3/2017 0.00
5/4/2017 **
5/5/2017 **
5/6/2017 **
5/7/2017 **
5/8/2017 **
5/9/2017 **
5/10/2017 **
5/11/2017 **
5/12/2017 **
5/13/2017 **
5/14/2017 **
5/15/2017 **
5/16/2017 **
5/17/2017 **
5/18/2017 **
5/19/2017 0.91
5/20/2017 0.00
5/21/2017 T
5/22/2017 0.00
5/23/2017 0.00
5/24/2017 **
5/25/2017 **
5/26/2017 0.02
5/27/2017 0.00
5/28/2017 0.00
5/29/2017 0.00
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017 0.00
6/6/2017 0.00
6/7/2017 0.00
6/8/2017 0.00
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
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
6/28/2017
6/29/2017
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
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
8/14/2017
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
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
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
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
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 9:30 AM 0.00 0.0 M M M
10/2/2016 9:30 AM 0.00 0.0 M M M
10/3/2016 9:30 AM 0.00 0.0 M M M
10/23/2016 9:30 AM 0.00 0.0 M M M
10/24/2016 9:30 AM 0.00 0.0 M M M
10/25/2016 9:30 AM 0.06 M M M M
10/26/2016 9:30 AM 0.19 M M M M morning fog, visibility <1 mile
10/27/2016 9:30 AM 0.02 M M M M
10/28/2016 9:30 AM 0.10 M M M M
10/29/2016 9:30 AM 0.00 0.0 M M M
10/30/2016 9:30 AM 0.31 M M M M
10/31/2016 9:30 AM 0.50 M M M M
11/1/2016 9:30 AM 0.04 M M M M
11/2/2016 9:30 AM 0.00 0.0 M M M
11/3/2016 9:30 AM 0.00 0.0 M M M
11/4/2016 9:30 AM 0.00 0.0 M M M
11/5/2016 9:30 AM 0.00 0.0 M M M
11/6/2016 9:30 AM 0.00 0.0 M M M
11/20/2016 9:30 AM 0.00 0.0 M M M
11/21/2016 9:30 AM 0.07 M M M M
1/13/2017 9:30 AM 0.00 0.0 M M M
1/14/2017 9:30 AM T M M M M
1/15/2017 9:30 AM 0.02 0.3 0.02 M M
1/16/2017 9:30 AM 0.00 0.0 M M M
1/17/2017 9:30 AM T 0.3 T 9.0 1.41 Snow flurries fell yesterday morning from about 9:00 a.m. to noon.
1/18/2017 9:30 AM 0.21 0.0 0.00 7.0 1.40 Morning temp in the low 40s, strong wind, overnight rain, snow melting.
1/19/2017 9:30 AM 0.00 0.0 M M M
1/20/2017 9:30 AM 0.00 0.0 M M M light frost on tips of tree branches; snow all but melted due to brisk wind (~20 mph) and warm temps (up to 40 F)
1/21/2017 9:30 AM 0.01 M M M M frost on ground melted; only patches of snow still on ground and piles made by snow plow
1/22/2017 9:30 AM 0.02 0.0 0.00 M M few patches of snow, most melted, streets bare but with plowed snow on curbs, temps in the 40s
1/23/2017 9:30 AM 0.03 M M M M ground frost, water in gauge frozen, low = 25 F; fog, visibility ~0.5 mile
1/24/2017 9:30 AM 0.00 0.0 M M M
1/25/2017 9:30 AM T M M M M
1/26/2017 9:30 AM 0.03 T T M M very foggy morning, visibility ~0.5 mile; snow report below is almost superfluous, but the snowfall was not in the forecast and it was beautiful to watch; snow melted upon contact with pavement, but lightly covered grass
2/13/2017 9:30 AM 0.00 0.0 M M M
2/14/2017 9:30 AM 0.00 0.0 M M M thick fog, visibility ~0.5 mile; frost on ground, twigs, branches; low = 17 F
2/15/2017 9:30 AM T M M M M thick fog, visibility ~0.5 mile, freezing fog/rain
2/16/2017 9:30 AM 0.32 M M M M
2/17/2017 9:30 AM 0.32 M M M M temp up to 58 F, snow melted, sunshine--hooray!
2/18/2017 9:30 AM 0.02 M M M M low clouds, can't see local foothills, but no fog at ground level
2/19/2017 9:30 AM 0.20 M M M M
2/20/2017 9:30 AM 0.00 0.0 M M M
3/6/2017 9:30 AM 0.03 M M M M
3/7/2017 9:30 AM 0.00 0.0 M M M
3/8/2017 9:30 AM T M M M M
3/9/2017 9:30 AM 0.25 M M M M
3/31/2017 9:30 AM 0.00 0.0 M M M
4/1/2017 9:30 AM 0.00 0.0 M M M
4/2/2017 9:30 AM 0.00 0.0 M M M
4/3/2017 9:30 AM 0.00 0.0 M M M
4/4/2017 9:30 AM 0.00 0.0 M M M
4/5/2017 9:30 AM T M M M M
4/6/2017 9:30 AM 0.00 0.0 M M M
4/7/2017 9:30 AM 0.00 0.0 M M M
4/8/2017 9:30 AM 0.03 M M M M Light dusting of snow on nearby foothills which are still shrouded in clouds.
4/9/2017 9:30 AM 0.00 0.0 M M M
4/10/2017 9:30 AM 0.14 M M M M Another light dusting of snow on nearby foothills!
4/27/2017 9:30 AM 0.00 0.0 M M M
4/28/2017 9:30 AM 0.00 0.0 M M M
4/29/2017 9:30 AM 0.00 0.0 M M M
4/30/2017 9:30 AM 0.03 M M M M
5/1/2017 9:30 AM 0.00 0.0 M M M
5/2/2017 9:30 AM T M M M M
5/3/2017 9:30 AM 0.00 0.0 M M M
5/20/2017 9:30 AM 0.00 0.0 M M M
5/21/2017 9:30 AM T M M M M
5/22/2017 9:30 AM 0.00 0.0 M M M
5/23/2017 9:30 AM 0.00 0.0 M M M
5/27/2017 9:30 AM 0.00 0.0 M M M
5/28/2017 9:30 AM 0.00 0.0 M M M
5/29/2017 9:30 AM 0.00 0.0 M M M
6/5/2017 9:30 AM 0.00 0.0 M M M
6/6/2017 9:30 AM 0.00 0.0 M M M
6/7/2017 9:30 AM 0.00 0.0 M M M
6/8/2017 9:30 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/4/2016 10/22/2016 9:30 AM 19 2.65 M M
11/7/2016 11/19/2016 9:30 AM 13 0.41 M M
11/22/2016 1/12/2017 9:30 AM 52 3.22 9.0 1.28 This report includes several snow falls, and intermittent rain mixed with the snow. The Total Depth of Snow is what I measured, but neighbors tell me the accumulation was about 12 inches. There was about a 2-inch crust underneath the top layer of fine powdery snow.
1/27/2017 2/12/2017 9:30 AM 17 1.03 M M Snow fell during this time period in Walla Walla, but there is none on the ground now and nothing to report.
2/21/2017 2/22/2017 9:30 AM 2 0.78 M M
2/23/2017 3/05/2017 8:00 AM 11 0.77 0.0 0.00 Snow on local foothills of the Blue Mountains; rain/snow fell overnight March 4-5, 2017
3/10/2017 3/30/2017 9:30 AM 21 2.55 M M
4/11/2017 4/16/2017 9:30 AM 6 0.26 M M
4/17/2017 4/26/2017 9:30 AM 10 1.20 M M
5/4/2017 5/19/2017 9:30 AM 16 0.91 M M
5/24/2017 5/26/2017 9:30 AM 3 0.02 M 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