Station Overview Station Location
Station Number WA-SG-31 Latitude 48.55384
Station Name Marblemount 2.1 NE Longitude -121.42622
County Skagit Elevation (ft) 351



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 18 8.23 6.54 31 2.15 4 4.39 27 2 2 0 0.0 0 0
Nov 18 13.43 14.27 30 1.62 6 12.65 24 5 2 0 0.0 0 0
Dec 18 9.63 9.17 31 2.77 6 6.40 25 3 5 0 0.0 0 0
Jan 19 12.03 12.52 31 5.41 10 7.11 21 3 8 1 0.0 0 0
Feb 19 6.68 4.32 28 1.66 6 2.66 22 3 3 0 0.5 1 3
March 19 7.07 1.53 31 0.00 12 1.53 19 4 0 0 0.0 0 0
April 19 4.80 7.54 30 1.34 10 6.20 20 3 6 0 0.0 0 0
May 19 3.75 1.92 31 1.90 17 0.02 14 3 10 1 0.0 0 0
June 19 3.09 2.04 30 0.24 14 1.80 16 4 5 0 0.0 0 0
July 19 2.33 1.83 31 0.66 17 1.17 14 3 9 1 0.0 0 0
Aug 19 1.74 1.46 31 1.02 19 0.44 12 4 7 1 0.0 0 0
Sept 19 3.62 5.71 30 0.35 4 5.36 26 1 2 0 0.0 0 0
Water Year Totals: 76.40" 68.85" 365 days 19.12" 125 49.73" 240 days 38 59 days 4 days 0.5" 1 days 3 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
10/1/2018 **
10/2/2018 **
10/3/2018 **
10/4/2018 **
10/5/2018 **
10/6/2018 **
10/7/2018 **
10/8/2018 **
10/9/2018 **
10/10/2018 **
10/11/2018 **
10/12/2018 **
10/13/2018 **
10/14/2018 **
10/15/2018 **
10/16/2018 **
10/17/2018 **
10/18/2018 **
10/19/2018 **
10/20/2018 2.66
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 **
10/24/2018 **
10/25/2018 **
10/26/2018 **
10/27/2018 1.73
10/28/2018 1.12
10/29/2018 1.03
10/30/2018 **
10/31/2018 **
11/1/2018 **
11/2/2018 **
11/3/2018 **
11/4/2018 8.39
11/5/2018 1.28
11/6/2018 **
11/7/2018 **
11/8/2018 **
11/9/2018 **
11/10/2018 2.21
11/11/2018 0.00
11/12/2018 0.00
11/13/2018 **
11/14/2018 **
11/15/2018 **
11/16/2018 0.92
11/17/2018 **
11/18/2018 0.00
11/19/2018 0.00
11/20/2018 **
11/21/2018 **
11/22/2018 **
11/23/2018 **
11/24/2018 1.13
11/25/2018 0.00
11/26/2018 0.34
11/27/2018 **
11/28/2018 **
11/29/2018 **
11/30/2018 **
12/1/2018 3.88
12/2/2018 0.02
12/3/2018 **
12/4/2018 **
12/5/2018 **
12/6/2018 **
12/7/2018 **
12/8/2018 0.01
12/9/2018 0.00
12/10/2018 1.16
12/11/2018 **
12/12/2018 **
12/13/2018 **
12/14/2018 2.51
12/15/2018 0.47
12/16/2018 0.46
12/17/2018 0.66
12/18/2018 **
12/19/2018 **
12/20/2018 **
12/21/2018 **
12/22/2018 **
12/23/2018 **
12/24/2018 **
12/25/2018 **
12/26/2018 **
12/27/2018 **
12/28/2018 **
12/29/2018 **
12/30/2018 **
12/31/2018 **
Day of YearDaily PrcpMultiday Prcp
1/1/2019 5.53
1/2/2019 0.00
1/3/2019 1.49
1/4/2019 1.48
1/5/2019 0.15
1/6/2019 0.62
1/7/2019 0.49
1/8/2019 **
1/9/2019 **
1/10/2019 **
1/11/2019 **
1/12/2019 **
1/13/2019 1.13
1/14/2019 **
1/15/2019 **
1/16/2019 **
1/17/2019 **
1/18/2019 0.45
1/19/2019 0.78
1/20/2019 0.32
1/21/2019 T
1/22/2019 0.08
1/23/2019 **
1/24/2019 **
1/25/2019 **
1/26/2019 **
1/27/2019 **
1/28/2019 **
1/29/2019 **
1/30/2019 **
1/31/2019 **
2/1/2019 2.16
2/2/2019 1.49
2/3/2019 0.08
2/4/2019 **
2/5/2019 **
2/6/2019 **
2/7/2019 **
2/8/2019 **
2/9/2019 0.00
2/10/2019 0.00
2/11/2019 0.09
2/12/2019 **
2/13/2019 **
2/14/2019 **
2/15/2019 **
2/16/2019 0.50
2/17/2019 0.00
2/18/2019 0.00
2/19/2019 **
2/20/2019 **
2/21/2019 **
2/22/2019 **
2/23/2019 **
2/24/2019 **
2/25/2019 **
2/26/2019 **
2/27/2019 **
2/28/2019 **
3/1/2019 0.33
3/2/2019 0.00
3/3/2019 0.00
3/4/2019 0.00
3/5/2019 0.00
3/6/2019 **
3/7/2019 **
3/8/2019 0.07
3/9/2019 0.00
3/10/2019 0.00
3/11/2019 0.00
3/12/2019 **
3/13/2019 **
3/14/2019 **
3/15/2019 0.78
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 **
3/20/2019 **
3/21/2019 **
3/22/2019 **
3/23/2019 **
3/24/2019 **
3/25/2019 **
3/26/2019 **
3/27/2019 **
3/28/2019 **
3/29/2019 0.35
3/30/2019 0.00
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 **
4/4/2019 **
4/5/2019 **
4/6/2019 **
4/7/2019 **
4/8/2019 **
4/9/2019 **
4/10/2019 **
4/11/2019 **
4/12/2019 2.75
4/13/2019 0.40
4/14/2019 0.65
4/15/2019 **
4/16/2019 **
4/17/2019 **
4/18/2019 **
4/19/2019 **
4/20/2019 3.42
4/21/2019 0.00
4/22/2019 0.00
4/23/2019 0.16
4/24/2019 **
4/25/2019 **
4/26/2019 0.03
4/27/2019 0.08
4/28/2019 0.03
4/29/2019 0.02
4/30/2019 **
5/1/2019 **
5/2/2019 **
5/3/2019 0.02
5/4/2019 0.00
5/5/2019 0.00
5/6/2019 0.00
5/7/2019 **
5/8/2019 **
5/9/2019 **
5/10/2019 **
5/11/2019 **
5/12/2019 0.00
5/13/2019 0.00
5/14/2019 0.03
5/15/2019 0.15
5/16/2019 T
5/17/2019 0.72
5/18/2019 0.13
5/19/2019 0.00
5/20/2019 0.22
5/21/2019 0.15
5/22/2019 0.01
5/23/2019 0.00
5/24/2019 0.22
5/25/2019 0.08
5/26/2019 0.19
5/27/2019 **
5/28/2019 **
5/29/2019 **
5/30/2019 **
5/31/2019 0.00
6/1/2019 0.00
6/2/2019 0.00
6/3/2019 0.00
6/4/2019 **
6/5/2019 **
6/6/2019 **
6/7/2019 0.27
6/8/2019 0.04
6/9/2019 0.09
6/10/2019 0.00
6/11/2019 **
6/12/2019 **
6/13/2019 **
6/14/2019 0.00
6/15/2019 0.00
6/16/2019 0.00
6/17/2019 0.00
6/18/2019 0.02
6/19/2019 **
6/20/2019 **
6/21/2019 0.29
6/22/2019 0.00
6/23/2019 0.08
6/24/2019 **
6/25/2019 **
6/26/2019 **
6/27/2019 **
6/28/2019 1.24
6/29/2019 0.01
6/30/2019 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2019 **
7/2/2019 **
7/3/2019 **
7/4/2019 0.07
7/5/2019 0.01
7/6/2019 0.00
7/7/2019 0.00
7/8/2019 0.08
7/9/2019 T
7/10/2019 0.35
7/11/2019 0.08
7/12/2019 0.01
7/13/2019 0.00
7/14/2019 0.00
7/15/2019 0.00
7/16/2019 0.08
7/17/2019 **
7/18/2019 **
7/19/2019 1.10
7/20/2019 0.01
7/21/2019 0.00
7/22/2019 **
7/23/2019 **
7/24/2019 **
7/25/2019 **
7/26/2019 0.00
7/27/2019 0.03
7/28/2019 0.01
7/29/2019 0.00
7/30/2019 **
7/31/2019 **
8/1/2019 0.00
8/2/2019 0.53
8/3/2019 0.12
8/4/2019 0.00
8/5/2019 0.00
8/6/2019 0.00
8/7/2019 0.00
8/8/2019 0.00
8/9/2019 0.00
8/10/2019 0.12
8/11/2019 0.07
8/12/2019 **
8/13/2019 **
8/14/2019 **
8/15/2019 **
8/16/2019 0.02
8/17/2019 0.00
8/18/2019 0.00
8/19/2019 0.00
8/20/2019 0.00
8/21/2019 **
8/22/2019 **
8/23/2019 0.33
8/24/2019 0.13
8/25/2019 0.04
8/26/2019 0.01
8/27/2019 0.00
8/28/2019 **
8/29/2019 **
8/30/2019 0.09
8/31/2019 T
9/1/2019 0.00
9/2/2019 0.00
9/3/2019 **
9/4/2019 **
9/5/2019 **
9/6/2019 **
9/7/2019 **
9/8/2019 **
9/9/2019 **
9/10/2019 **
9/11/2019 **
9/12/2019 **
9/13/2019 **
9/14/2019 **
9/15/2019 **
9/16/2019 **
9/17/2019 **
9/18/2019 **
9/19/2019 **
9/20/2019 **
9/21/2019 **
9/22/2019 **
9/23/2019 **
9/24/2019 **
9/25/2019 **
9/26/2019 **
9/27/2019 5.36
9/28/2019 0.33
9/29/2019 0.02
9/30/2019 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/21/2018 9:00 AM 0.00 0.0 M M M
10/22/2018 8:00 AM 0.00 0.0 M M M
10/28/2018 9:00 AM 1.12 M M M M
10/29/2018 9:00 AM 1.03 M M M M
11/5/2018 9:25 AM 1.28 M M M M
11/11/2018 9:00 AM 0.00 0.0 M M M
11/12/2018 8:42 AM 0.00 0.0 M M M
11/19/2018 9:00 AM 0.00 0.0 M M M
11/25/2018 9:00 AM 0.00 0.0 M M M
11/26/2018 9:14 AM 0.34 M M M M
12/2/2018 9:00 AM 0.02 M M M M
12/9/2018 9:00 AM 0.00 0.0 M M M
12/10/2018 9:53 AM 1.16 M M M M
12/15/2018 9:00 AM 0.47 M M M M
12/16/2018 8:48 AM 0.46 M M M M
12/17/2018 9:03 AM 0.66 M M M M
1/2/2019 9:12 AM 0.00 0.0 M M M
1/3/2019 8:12 AM 1.49 M M M M
1/4/2019 8:12 AM 1.48 M M M M
1/5/2019 9:00 AM 0.15 M M M M
1/6/2019 9:00 AM 0.62 M M M M
1/7/2019 9:00 AM 0.49 M M M M Awoke to a light dusting of (melting) snow.
1/19/2019 9:44 AM 0.78 M M M M
1/20/2019 9:00 AM 0.32 M M M M
1/21/2019 9:00 AM T M M M M
1/22/2019 8:56 AM 0.08 M M M M
2/2/2019 11:13 AM 1.49 M M M M
2/3/2019 10:18 AM 0.08 M M M M
2/10/2019 9:00 AM 0.00 0.0 M M M
2/11/2019 8:40 AM 0.09 0.5 0.09 0.5 M 1/2" of very dry snow
2/17/2019 9:00 AM 0.00 0.0 M 3.0 0.53
2/18/2019 9:00 AM 0.00 0.0 0.00 2.5 0.41
3/2/2019 9:00 AM 0.00 0.0 M M M
3/3/2019 9:00 AM 0.00 0.0 M M M
3/4/2019 8:28 AM 0.00 0.0 M M M
3/5/2019 9:00 AM 0.00 0.0 M M M
3/9/2019 9:00 AM 0.00 0.0 M M M
3/10/2019 9:00 AM 0.00 0.0 M M M
3/11/2019 8:41 AM 0.00 0.0 M M M
3/16/2019 9:00 AM 0.00 0.0 M M M
3/17/2019 9:00 AM 0.00 0.0 M M M
3/18/2019 9:00 AM 0.00 0.0 M M M
3/30/2019 9:00 AM 0.00 0.0 M M M
3/31/2019 9:00 AM 0.00 0.0 M M M
4/1/2019 8:49 AM 0.00 0.0 M M M
4/2/2019 9:00 AM 0.00 0.0 M M M
4/13/2019 9:11 AM 0.40 M M M M
4/14/2019 9:47 AM 0.65 M M M M
4/21/2019 9:00 AM 0.00 0.0 M M M
4/22/2019 9:00 AM 0.00 0.0 M M M
4/23/2019 9:22 AM 0.16 M M M M
4/27/2019 11:12 AM 0.08 M M M M
4/28/2019 9:00 AM 0.03 M M M M
4/29/2019 9:00 AM 0.02 M M M M
5/4/2019 9:00 AM 0.00 0.0 M M M
5/5/2019 9:00 AM 0.00 0.0 M M M
5/6/2019 9:00 AM 0.00 0.0 M M M
5/13/2019 9:00 AM 0.00 0.0 M M M
5/14/2019 9:16 AM 0.03 M M M M
5/15/2019 9:07 AM 0.15 M M M M
5/16/2019 9:00 AM T M M M M
5/17/2019 9:00 AM 0.72 M M M M
5/18/2019 9:00 AM 0.13 M M M M
5/19/2019 8:43 AM 0.00 0.0 M M M
5/20/2019 9:00 AM 0.22 M M M M
5/21/2019 8:46 AM 0.15 M M M M
5/22/2019 9:00 AM 0.01 M M M M
5/23/2019 9:00 AM 0.00 0.0 M M M
5/24/2019 8:48 AM 0.22 M M M M
5/25/2019 8:46 AM 0.08 M M M M
5/26/2019 9:00 AM 0.19 M M M M
6/1/2019 9:00 AM 0.00 0.0 M M M
6/2/2019 9:00 AM 0.00 0.0 M M M
6/3/2019 8:50 AM 0.00 0.0 M M M
6/8/2019 8:29 AM 0.04 M M M M
6/9/2019 8:41 AM 0.09 M M M M
6/10/2019 9:00 AM 0.00 0.0 M M M
6/15/2019 9:00 AM 0.00 0.0 M M M
6/16/2019 9:00 AM 0.00 0.0 M M M
6/17/2019 9:00 AM 0.00 0.0 M M M
6/18/2019 6:28 AM 0.02 M M M M
6/22/2019 9:00 AM 0.00 0.0 M M M
6/23/2019 10:56 AM 0.08 M M M M
6/29/2019 9:00 AM 0.01 M M M M
6/30/2019 9:00 AM 0.00 0.0 M M M
7/5/2019 9:00 AM 0.01 M M M M
7/6/2019 9:00 AM 0.00 0.0 M M M
7/7/2019 8:58 AM 0.00 0.0 M M M
7/8/2019 8:49 AM 0.08 M M M M
7/9/2019 8:32 AM T M M M M
7/10/2019 9:16 AM 0.35 M M M M
7/11/2019 8:57 AM 0.08 M M M M
7/12/2019 9:00 AM 0.01 M M M M
7/13/2019 9:00 AM 0.00 0.0 M M M
7/14/2019 9:00 AM 0.00 0.0 M M M
7/15/2019 9:00 AM 0.00 0.0 M M M
7/16/2019 9:00 AM 0.08 M M M M
7/20/2019 9:00 AM 0.01 M M M M
7/21/2019 9:00 AM 0.00 0.0 M M M
7/27/2019 9:00 AM 0.03 M M M M
7/28/2019 9:00 AM 0.01 M M M M
7/29/2019 6:04 AM 0.00 0.0 M M M
8/2/2019 9:00 AM 0.53 M M M M
8/3/2019 9:00 AM 0.12 M M M M
8/4/2019 9:00 AM 0.00 0.0 M M M
8/5/2019 9:00 AM 0.00 0.0 M M M
8/6/2019 9:00 AM 0.00 0.0 M M M
8/7/2019 9:00 AM 0.00 0.0 M M M
8/8/2019 9:00 AM 0.00 0.0 M M M
8/9/2019 9:00 AM 0.00 0.0 M M M
8/10/2019 9:30 AM 0.12 M M M M
8/11/2019 10:00 AM 0.07 M M M M
8/17/2019 9:00 AM 0.00 0.0 M M M
8/18/2019 9:00 AM 0.00 0.0 M M M
8/19/2019 9:00 AM 0.00 0.0 M M M
8/20/2019 9:00 AM 0.00 0.0 M M M
8/24/2019 9:00 AM 0.13 M M M M
8/25/2019 9:00 AM 0.04 M M M M
8/26/2019 8:16 AM 0.01 M M M M
8/27/2019 8:52 AM 0.00 0.0 M M M
8/31/2019 8:42 AM T M M M M
9/1/2019 9:00 AM 0.00 0.0 M M M
9/2/2019 9:00 AM 0.00 0.0 M M M
9/28/2019 8:32 AM 0.33 M M M M
9/29/2019 9:00 AM 0.02 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/22/2018 10/20/2018 9:00 AM 29 2.66 M M
10/23/2018 10/27/2018 9:00 AM 5 1.73 M M
10/30/2018 11/04/2018 9:45 AM 6 8.39 M M
11/6/2018 11/10/2018 9:00 AM 5 2.21 M M
11/13/2018 11/16/2018 8:45 AM 4 0.92 M M
11/17/2018 11/18/2018 8:58 AM 2 0.00 M M
11/20/2018 11/24/2018 9:21 AM 5 1.13 M M
11/27/2018 12/01/2018 9:00 AM 5 3.88 M M
12/3/2018 12/08/2018 9:00 AM 6 0.01 M M
12/11/2018 12/14/2018 9:00 AM 4 2.51 M M
12/18/2018 1/01/2019 9:00 AM 15 5.53 M M
1/8/2019 1/13/2019 9:00 AM 6 1.13 M M
1/14/2019 1/18/2019 9:51 AM 5 0.45 M M
1/23/2019 2/01/2019 10:08 AM 10 2.16 M M
2/4/2019 2/09/2019 9:00 AM 6 0.00 M M Arrived the afternoon of 2/8 to less than half-inch of dry snow on the ground, but no ppt in the gauge. By the next morning, all the snow had blown away.
2/12/2019 2/16/2019 4:00 PM 5 0.50 3.7 0.50 Missed a snow event while we were gone, and gauge was inadvertently emptied. 0.50 is the content of core sample gathered at 4PM.
2/19/2019 3/01/2019 9:00 AM 11 0.33 M M We missed a snow event during our absence. Top of gauge had been removed, so ppt amount should be correct.
3/6/2019 3/08/2019 9:00 AM 3 0.07 M M Missed a minor snow event while we were away, but captured total ppt. (Top of gauge was off.)
3/12/2019 3/15/2019 9:00 AM 4 0.78 M M
3/19/2019 3/29/2019 9:00 AM 11 0.35 M M
4/3/2019 4/12/2019 9:00 AM 10 2.75 M M
4/15/2019 4/20/2019 9:00 AM 6 3.42 M M
4/24/2019 4/26/2019 9:00 AM 3 0.03 M M
4/30/2019 5/03/2019 8:37 AM 4 0.02 M M
5/7/2019 5/12/2019 9:00 AM 6 0.00 M M
5/27/2019 5/31/2019 9:00 AM 5 0.00 M M
6/4/2019 6/07/2019 8:37 AM 4 0.27 M M
6/11/2019 6/14/2019 9:00 AM 4 0.00 M M
6/19/2019 6/21/2019 9:00 AM 3 0.29 M M
6/24/2019 6/28/2019 8:42 AM 5 1.24 M M
7/1/2019 7/04/2019 8:36 AM 4 0.07 M M
7/17/2019 7/19/2019 9:00 AM 3 1.10 M M
7/22/2019 7/26/2019 9:00 AM 5 0.00 M M
7/30/2019 8/01/2019 9:00 AM 3 0.00 M M
8/12/2019 8/16/2019 9:00 AM 5 0.02 M M
8/21/2019 8/23/2019 11:17 AM 3 0.33 M M
8/28/2019 8/30/2019 8:02 AM 3 0.09 M M
9/3/2019 9/27/2019 9:33 AM 25 5.36 M M
9/30/2019 10/04/2019 9:07 AM 5 0.19 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