Station Overview Station Location
Station Number WA-MS-25 Latitude 47.3013153076172
Station Name Shelton 6.5 NNW Longitude -123.160690307617
County Mason Elevation (ft) 184



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 17 6.66 9.46 36 9.38 23 0.08 13 2 12 0 0.0 0 0
Nov 17 13.07 21.13 37 11.33 9 9.80 28 7 9 0 0.0 0 0
Dec 17 12.51 10.01 31 8.74 12 1.27 19 2 10 0 2.0 1 0
Jan 18 11.86 16.29 31 14.43 28 1.86 3 1 24 0 2.0 1 0
Feb 18 8.56 5.01 27 3.76 12 1.25 15 3 10 0 6.0 2 0
March 18 7.78 4.33 31 2.07 15 2.26 16 2 5 0 0.0 0 0
April 18 5.14 10.91 29 10.91 29 0.00 0 0 19 0 0.0 0 0
May 18 2.99 0.58 30 0.38 1 0.20 29 2 1 0 0.0 0 0
June 18 2.01 1.61 32 1.20 21 0.41 11 2 4 0 0.0 0 0
July 18 0.97 0.00 31 0.00 0 0.00 31 1 0 0 0.0 0 0
Aug 18 1.18 0.01 31 0.01 3 0.00 28 2 1 0 0.0 0 0
Sept 18 2.14 2.63 30 2.49 19 0.14 11 2 11 0 0.0 0 0
Water Year Totals: 74.87" 81.97" 376 days 64.70" 172 17.27" 204 days 26 106 days 0 days 10.0" 4 days 0 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
10/1/2017 0.15
10/2/2017 0.04
10/3/2017
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.20
10/8/2017 0.00
10/9/2017 0.00
10/10/2017 0.00
10/11/2017 0.02
10/12/2017 0.02
10/13/2017 **
10/14/2017 **
10/15/2017 **
10/16/2017 0.05
10/17/2017 0.11
10/18/2017 0.34
10/19/2017 3.63
10/20/2017 0.77
10/21/2017 0.95
10/22/2017 3.01
10/23/2017 0.14
10/24/2017 0.00 **
10/25/2017 0.00 **
10/26/2017 0.00 **
10/27/2017 0.00 0.03
10/28/2017 0.00
10/29/2017 **
10/30/2017 **
10/31/2017 **
11/1/2017 **
11/2/2017 0.05
11/3/2017 0.70
11/4/2017 **
11/5/2017 **
11/6/2017 **
11/7/2017 **
11/8/2017 **
11/9/2017 **
11/10/2017 **
11/11/2017 **
11/12/2017 **
11/13/2017 2.00
11/14/2017 1.39
11/15/2017 1.40
11/16/2017 **
11/17/2017 0.93
11/18/2017 **
11/19/2017 **
11/20/2017 2.44
11/21/2017 0.22
11/22/2017 4.81
11/23/2017 1.78
11/24/2017 **
11/25/2017 **
11/26/2017 **
11/27/2017 2.20
11/28/2017 0.42
11/29/2017 0.30
11/30/2017 0.31
12/1/2017 0.30
12/2/2017 0.42
12/3/2017 0.52
12/4/2017 **
12/5/2017 **
12/6/2017 **
12/7/2017 **
12/8/2017 **
12/9/2017 **
12/10/2017 **
12/11/2017 **
12/12/2017 **
12/13/2017 **
12/14/2017 **
12/15/2017 **
12/16/2017 **
12/17/2017 0.35
12/18/2017 1.19
12/19/2017 1.79
12/20/2017 **
12/21/2017 **
12/22/2017 **
12/23/2017 **
12/24/2017 0.92
12/25/2017 0.17
12/26/2017 0.00
12/27/2017 0.00
12/28/2017 0.19
12/29/2017 1.82
12/30/2017 2.18
12/31/2017 0.16
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.14
1/4/2018 0.00
1/5/2018 1.02
1/6/2018 0.34
1/7/2018 0.15
1/8/2018 0.69
1/9/2018 0.14
1/10/2018 0.01
1/11/2018 0.99
1/12/2018 1.36
1/13/2018 0.24
1/14/2018 0.00
1/15/2018 0.03
1/16/2018 0.09
1/17/2018 **
1/18/2018 **
1/19/2018 1.86
1/20/2018 0.77
1/21/2018 0.29
1/22/2018 0.86
1/23/2018 0.26
1/24/2018 2.20
1/25/2018 0.44
1/26/2018 0.60
1/27/2018 1.53
1/28/2018 0.34
1/29/2018 0.23
1/30/2018 1.64
1/31/2018 0.07
2/1/2018 0.54
2/2/2018
2/3/2018 0.39
2/4/2018 0.04
2/5/2018 0.04
2/6/2018 0.00
2/7/2018 **
2/8/2018 **
2/9/2018 **
2/10/2018 **
2/11/2018 **
2/12/2018 **
2/13/2018 0.00
2/14/2018 0.54
2/15/2018 0.03
2/16/2018 0.09
2/17/2018 0.99
2/18/2018 **
2/19/2018 **
2/20/2018 **
2/21/2018 0.45
2/22/2018 0.35
2/23/2018 0.00
2/24/2018 0.75
2/25/2018 **
2/26/2018 **
2/27/2018 **
2/28/2018 0.80
3/1/2018 0.55
3/2/2018 0.09
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.00
3/7/2018 0.00
3/8/2018 0.29
3/9/2018 0.98
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.16
3/15/2018 **
3/16/2018 **
3/17/2018 **
3/18/2018 **
3/19/2018 **
3/20/2018 **
3/21/2018 **
3/22/2018 **
3/23/2018 1.15
3/24/2018 **
3/25/2018 **
3/26/2018 **
3/27/2018 **
3/28/2018 **
3/29/2018 **
3/30/2018 1.11
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.00
4/2/2018 0.00
4/3/2018 0.00
4/4/2018 0.14
4/5/2018 0.39
4/6/2018 0.98
4/7/2018 0.73
4/8/2018 1.98
4/9/2018 0.44
4/10/2018
4/11/2018 0.14
4/12/2018 0.51
4/13/2018 0.98
4/14/2018 1.97
4/15/2018 1.46
4/16/2018 0.40
4/17/2018 0.40
4/18/2018 0.07
4/19/2018 0.01
4/20/2018 0.11
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.00
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.07
4/29/2018 0.11
4/30/2018 0.02
5/1/2018 **
5/2/2018 **
5/3/2018 **
5/4/2018 **
5/5/2018 **
5/6/2018 **
5/7/2018 **
5/8/2018 **
5/9/2018 **
5/10/2018 0.20
5/11/2018 0.38
5/12/2018
5/13/2018 **
5/14/2018 **
5/15/2018 **
5/16/2018 **
5/17/2018 **
5/18/2018 **
5/19/2018 **
5/20/2018 **
5/21/2018 **
5/22/2018 **
5/23/2018 **
5/24/2018 **
5/25/2018 **
5/26/2018 **
5/27/2018 **
5/28/2018 **
5/29/2018 **
5/30/2018 **
5/31/2018 0.00
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.04
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.41
6/10/2018 0.00 **
6/11/2018 0.00 0.41
6/12/2018 0.00
6/13/2018 0.61
6/14/2018 0.00
6/15/2018 **
6/16/2018 **
6/17/2018 **
6/18/2018 **
6/19/2018 **
6/20/2018 **
6/21/2018 **
6/22/2018 **
6/23/2018 0.00
6/24/2018 0.00
6/25/2018 0.14
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.00
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 **
7/2/2018 **
7/3/2018 **
7/4/2018 **
7/5/2018 **
7/6/2018 **
7/7/2018 **
7/8/2018 **
7/9/2018 **
7/10/2018 **
7/11/2018 **
7/12/2018 **
7/13/2018 **
7/14/2018 **
7/15/2018 **
7/16/2018 **
7/17/2018 **
7/18/2018 **
7/19/2018 **
7/20/2018 **
7/21/2018 **
7/22/2018 **
7/23/2018 **
7/24/2018 **
7/25/2018 **
7/26/2018 **
7/27/2018 **
7/28/2018 **
7/29/2018 **
7/30/2018 **
7/31/2018 0.00
8/1/2018 **
8/2/2018 **
8/3/2018 **
8/4/2018 **
8/5/2018 **
8/6/2018 **
8/7/2018 **
8/8/2018 **
8/9/2018 **
8/10/2018 0.00
8/11/2018 0.01
8/12/2018 0.00
8/13/2018 **
8/14/2018 **
8/15/2018 **
8/16/2018 **
8/17/2018 **
8/18/2018 **
8/19/2018 **
8/20/2018 **
8/21/2018 **
8/22/2018 **
8/23/2018 **
8/24/2018 **
8/25/2018 **
8/26/2018 **
8/27/2018 **
8/28/2018 **
8/29/2018 **
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 0.00
9/2/2018 0.00
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.00
9/8/2018 0.05
9/9/2018 0.00
9/10/2018 0.22
9/11/2018 0.55
9/12/2018 0.52
9/13/2018 0.04
9/14/2018 0.04
9/15/2018 0.03
9/16/2018 0.59
9/17/2018 0.04
9/18/2018 **
9/19/2018 **
9/20/2018 **
9/21/2018 0.02
9/22/2018 0.32
9/23/2018 **
9/24/2018 **
9/25/2018 **
9/26/2018 **
9/27/2018 **
9/28/2018 **
9/29/2018 0.12
9/30/2018 0.09



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.15 M M M M
10/2/2017 7:00 AM 0.04 M M M M
10/4/2017 7:00 AM 0.00 0.0 M M M
10/5/2017 7:00 AM 0.00 0.0 M M M
10/6/2017 7:00 AM 0.00 0.0 M M M
10/7/2017 7:00 AM 0.20 M M M M
10/8/2017 7:00 AM 0.00 0.0 M M M
10/9/2017 7:00 AM 0.00 0.0 M M M
10/10/2017 7:00 AM 0.00 0.0 M M M
10/11/2017 7:00 AM 0.02 M M M M
10/12/2017 7:00 AM 0.02 M M M M
10/17/2017 7:00 AM 0.11 M M M M
10/18/2017 7:00 AM 0.34 M M M M
10/19/2017 7:00 AM 3.63 M M M M
10/20/2017 7:00 AM 0.77 M M M M
10/21/2017 7:00 AM 0.95 M M M M
10/22/2017 7:00 AM 3.01 M M M M
10/23/2017 7:00 AM 0.14 M M M M
10/24/2017 7:00 AM 0.00 0.0 M M M
10/25/2017 7:00 AM 0.00 0.0 M M M
10/26/2017 7:00 AM 0.00 0.0 M M M
10/27/2017 7:00 AM 0.00 0.0 M M M
10/28/2017 7:00 AM 0.00 0.0 M M M
11/3/2017 7:00 AM 0.70 M M M M
11/14/2017 7:00 AM 1.39 M M M M
11/15/2017 7:00 AM 1.40 M M M M
11/21/2017 7:00 AM 0.22 M M M M
11/22/2017 7:00 AM 4.81 M M M M
11/23/2017 6:30 AM 1.78 M M M M
11/28/2017 7:00 AM 0.42 M M M M
11/29/2017 7:00 AM 0.30 M M M M
11/30/2017 7:00 AM 0.31 M M M M
12/1/2017 7:00 AM 0.30 M M M M
12/2/2017 7:00 AM 0.42 M M M M
12/3/2017 7:00 AM 0.52 M M M M
12/18/2017 7:00 AM 1.19 M M M M
12/19/2017 7:00 AM 1.79 M M M M
12/25/2017 7:00 AM 0.17 2.0 0.17 M M
12/26/2017 7:00 AM 0.00 0.0 M M M
12/27/2017 7:00 AM 0.00 0.0 M M M
12/28/2017 7:00 AM 0.19 M M M M
12/29/2017 7:00 AM 1.82 M M M M
12/30/2017 7:00 AM 2.18 M M M M
12/31/2017 7:00 AM 0.16 M M M M
1/1/2018 7:00 AM 0.00 0.0 M M M
1/2/2018 7:00 AM 0.00 0.0 M M M
1/3/2018 7:00 AM 0.14 M M M M
1/4/2018 7:00 AM 0.00 0.0 M M M
1/5/2018 7:00 AM 1.02 M M M M
1/6/2018 7:00 AM 0.34 M M M M
1/7/2018 7:00 AM 0.15 M M M M
1/8/2018 7:00 AM 0.69 M M M M
1/9/2018 7:00 AM 0.14 M M M M
1/10/2018 7:00 AM 0.01 M M M M
1/11/2018 7:00 AM 0.99 M M M M
1/12/2018 7:00 AM 1.36 M M M M
1/13/2018 7:00 AM 0.24 M M M M
1/14/2018 7:00 AM 0.00 0.0 M M M
1/15/2018 7:00 AM 0.03 M M M M
1/16/2018 7:00 AM 0.09 M M M M
1/20/2018 7:00 AM 0.77 M M M M
1/21/2018 7:00 AM 0.29 M M M M
1/22/2018 7:00 AM 0.86 M M M M
1/23/2018 7:00 AM 0.26 M M M M
1/24/2018 7:00 AM 2.20 M M M M
1/25/2018 7:00 AM 0.44 M M M M
1/26/2018 7:00 AM 0.60 2.0 0.29 M M
1/27/2018 7:00 AM 1.53 M M M M
1/28/2018 7:00 AM 0.34 M M M M
1/29/2018 7:00 AM 0.23 M M M M
1/30/2018 7:00 AM 1.64 M M M M
1/31/2018 7:00 AM 0.07 M M M M
2/1/2018 7:00 AM 0.54 M M M M
2/3/2018 7:00 AM 0.39 M M M M
2/4/2018 7:00 AM 0.04 M M M M
2/5/2018 7:00 AM 0.04 M M M M
2/6/2018 7:00 AM 0.00 0.0 M M M
2/14/2018 7:00 AM 0.54 M M M M
2/15/2018 7:00 AM 0.03 M M M M
2/16/2018 7:00 AM 0.09 M M M M
2/17/2018 7:00 AM 0.99 M M M M
2/22/2018 7:00 AM 0.35 2.0 0.35 M M
2/23/2018 7:00 AM 0.00 0.0 M M M
2/24/2018 7:00 AM 0.75 4.0 0.75 M M
3/1/2018 7:00 AM 0.55 M M M M
3/2/2018 7:00 AM 0.09 M M M M
3/3/2018 7:00 AM 0.00 0.0 M M M
3/4/2018 7:00 AM 0.00 0.0 M M M
3/5/2018 7:00 AM 0.00 0.0 M M M
3/6/2018 7:00 AM 0.00 0.0 M M M
3/7/2018 7:00 AM 0.00 0.0 M M M
3/8/2018 7:00 AM 0.29 M M M M
3/9/2018 7:00 AM 0.98 M M M M
3/10/2018 7:00 AM 0.00 0.0 M M M
3/11/2018 7:00 AM 0.00 0.0 M M M
3/12/2018 7:00 AM 0.00 0.0 M M M
3/13/2018 7:00 AM 0.00 0.0 M M M
3/14/2018 7:00 AM 0.16 M M M M
3/31/2018 7:00 AM 0.00 0.0 M M M
4/1/2018 7:00 AM 0.00 0.0 M M M
4/2/2018 7:00 AM 0.00 0.0 M M M
4/3/2018 7:00 AM 0.00 0.0 M M M
4/4/2018 7:00 AM 0.14 M M M M
4/5/2018 7:00 AM 0.39 M M M M
4/6/2018 7:00 AM 0.98 M M M M
4/7/2018 7:00 AM 0.73 M M M M
4/8/2018 7:00 AM 1.98 M M M M
4/9/2018 7:00 AM 0.44 M M M M
4/11/2018 7:00 AM 0.14 M M M M
4/12/2018 7:00 AM 0.51 M M M M
4/13/2018 7:00 AM 0.98 M M M M
4/14/2018 7:00 AM 1.97 M M M M
4/15/2018 7:00 AM 1.46 M M M M
4/16/2018 7:00 AM 0.40 M M M M
4/17/2018 7:00 AM 0.40 M M M M
4/18/2018 7:00 AM 0.07 M M M M
4/19/2018 7:00 AM 0.01 M M M M
4/20/2018 7:00 AM 0.11 M M M M
4/21/2018 7:00 AM 0.00 0.0 M M M
4/22/2018 7:00 AM 0.00 0.0 M M M
4/23/2018 7:00 AM 0.00 0.0 M M M
4/24/2018 7:00 AM 0.00 0.0 M M M
4/25/2018 7:00 AM 0.00 0.0 M M M
4/26/2018 7:00 AM 0.00 0.0 M M M
4/27/2018 7:00 AM 0.00 0.0 M M M
4/28/2018 7:00 AM 0.07 M M M M
4/29/2018 7:00 AM 0.11 M M M M
4/30/2018 7:00 AM 0.02 M M M M
5/11/2018 7:00 AM 0.38 M M M M
6/1/2018 7:00 AM 0.00 0.0 M M M
6/2/2018 7:00 AM 0.00 0.0 M M M
6/3/2018 7:00 AM 0.00 0.0 M M M
6/4/2018 7:00 AM 0.00 0.0 M M M
6/5/2018 7:00 AM 0.04 M M M M
6/6/2018 7:00 AM 0.00 0.0 M M M
6/7/2018 7:00 AM 0.00 0.0 M M M
6/8/2018 7:00 AM 0.00 0.0 M M M
6/9/2018 7:00 AM 0.41 M M M M
6/10/2018 7:00 AM 0.00 0.0 M M M
6/11/2018 7:00 AM 0.00 0.0 M M M
6/12/2018 7:00 AM 0.00 0.0 M M M
6/13/2018 7:00 AM 0.61 M M M M
6/14/2018 7:00 AM 0.00 0.0 M M M
6/24/2018 7:00 AM 0.00 0.0 M M M
6/25/2018 7:00 AM 0.14 M M M M
6/26/2018 7:00 AM 0.00 0.0 M M M
6/27/2018 7:00 AM 0.00 0.0 M M M
6/28/2018 7:00 AM 0.00 0.0 M M M
6/29/2018 7:00 AM 0.00 0.0 M M M
6/30/2018 7:00 AM 0.00 0.0 M M M
8/11/2018 7:00 AM 0.01 M M M M
8/12/2018 7:00 AM 0.00 0.0 M M M
8/31/2018 7:00 AM 0.00 0.0 M M M
9/1/2018 7:00 AM 0.00 0.0 M M M
9/2/2018 7:00 AM 0.00 0.0 M M M
9/3/2018 7:00 AM 0.00 0.0 M M M
9/4/2018 7:00 AM 0.00 0.0 M M M
9/5/2018 7:00 AM 0.00 0.0 M M M
9/6/2018 7:00 AM 0.00 0.0 M M M
9/7/2018 7:00 AM 0.00 0.0 M M M
9/8/2018 6:45 AM 0.05 M M M M
9/9/2018 7:00 AM 0.00 0.0 M M M
9/10/2018 7:00 AM 0.22 M M M M
9/11/2018 7:00 AM 0.55 M M M M
9/12/2018 7:00 AM 0.52 M M M M
9/13/2018 7:00 AM 0.04 M M M M
9/14/2018 7:00 AM 0.04 M M M M
9/15/2018 7:00 AM 0.03 M M M M
9/16/2018 7:00 AM 0.59 M M M M
9/17/2018 7:00 AM 0.04 M M M M
9/22/2018 7:00 AM 0.32 M M M M
9/30/2018 7:00 AM 0.09 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/13/2017 10/16/2017 7:00 AM 4 0.05 M M
10/24/2017 10/27/2017 7:00 AM 4 0.03 M M
10/29/2017 11/02/2017 7:00 AM 5 0.10 M M
10/30/2017 11/02/2017 7:00 AM 4 0.05 M M
11/4/2017 11/09/2017 7:00 AM 6 2.08 M M
11/5/2017 11/13/2017 7:00 AM 9 2.00 M M
11/16/2017 11/17/2017 7:00 AM 2 0.93 M M
11/18/2017 11/20/2017 7:00 AM 3 2.44 M M
11/24/2017 11/27/2017 7:00 AM 4 2.20 M M
12/4/2017 12/17/2017 7:00 AM 14 0.35 M M
12/20/2017 12/24/2017 7:00 AM 5 0.92 M M
1/17/2018 1/19/2018 7:00 AM 3 1.86 M M
2/7/2018 2/13/2018 7:00 AM 7 0.00 M M
2/18/2018 2/21/2018 7:00 AM 4 0.45 M M
2/25/2018 2/28/2018 7:00 AM 4 0.80 M M
3/15/2018 3/23/2018 7:00 AM 9 1.15 M M
3/24/2018 3/30/2018 7:00 AM 7 1.11 M M
5/1/2018 5/10/2018 7:00 AM 10 0.20 M M
5/13/2018 5/31/2018 7:00 AM 19 0.00 M M
6/10/2018 6/11/2018 7:00 AM 2 0.41 M M
6/15/2018 6/23/2018 7:00 AM 9 0.00 M M
7/1/2018 7/31/2018 7:00 AM 31 0.00 M M
8/1/2018 8/10/2018 7:00 AM 10 0.00 M M
8/13/2018 8/30/2018 7:00 AM 18 0.00 M M
9/18/2018 9/21/2018 7:00 AM 4 0.02 M M
9/23/2018 9/29/2018 7:00 AM 7 0.12 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