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 10 8.23 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 10 13.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 10 9.63 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 11 12.03 6.09 14 2.75 3 3.34 11 1 3 0 0.0 0 1
Feb 11 6.68 9.28 28 2.47 11 6.81 17 3 7 0 5.5 2 2
March 11 7.07 5.50 24 3.09 5 2.41 19 2 5 0 0.0 0 0
April 11 4.80 15.23 30 4.57 11 10.66 19 7 11 0 0.0 0 0
May 11 3.75 3.63 30 1.59 16 2.04 14 4 11 0 0.0 0 0
June 11 3.09 2.41 30 1.38 13 1.03 17 4 11 0 0.0 0 0
July 11 2.33 2.59 31 0.16 4 2.43 27 5 4 0 0.0 0 0
Aug 11 1.74 0.49 31 0.12 3 0.37 28 5 1 0 0.0 0 0
Sept 11 3.62 2.79 31 0.60 9 2.19 22 4 5 0 0.0 0 0
Water Year Totals: 76.40" 48.01" 249 days 16.73" 75 31.28" 174 days 35 58 days 0 days 5.5" 2 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
10/1/2010
10/2/2010
10/3/2010
10/4/2010
10/5/2010
10/6/2010
10/7/2010
10/8/2010
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010
10/15/2010
10/16/2010
10/17/2010
10/18/2010
10/19/2010
10/20/2010
10/21/2010
10/22/2010
10/23/2010
10/24/2010
10/25/2010
10/26/2010
10/27/2010
10/28/2010
10/29/2010
10/30/2010
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010
11/20/2010
11/21/2010
11/22/2010
11/23/2010
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010
12/2/2010
12/3/2010
12/4/2010
12/5/2010
12/6/2010
12/7/2010
12/8/2010
12/9/2010
12/10/2010
12/11/2010
12/12/2010
12/13/2010
12/14/2010
12/15/2010
12/16/2010
12/17/2010
12/18/2010
12/19/2010
12/20/2010
12/21/2010
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011
1/2/2011
1/3/2011
1/4/2011
1/5/2011
1/6/2011
1/7/2011
1/8/2011
1/9/2011
1/10/2011
1/11/2011
1/12/2011
1/13/2011
1/14/2011
1/15/2011
1/16/2011 2.52
1/17/2011 **
1/18/2011 **
1/19/2011 3.34
1/20/2011 0.07
1/21/2011
1/22/2011
1/23/2011 0.16
1/24/2011 **
1/25/2011 **
1/26/2011 **
1/27/2011 **
1/28/2011 **
1/29/2011 **
1/30/2011 **
1/31/2011 **
2/1/2011 **
2/2/2011 **
2/3/2011 **
2/4/2011 4.18
2/5/2011 0.63
2/6/2011 0.21
2/7/2011 0.96
2/8/2011 0.11
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 **
2/12/2011 **
2/13/2011 **
2/14/2011 **
2/15/2011 **
2/16/2011 **
2/17/2011 **
2/18/2011 **
2/19/2011 0.12
2/20/2011
2/21/2011 0.00
2/22/2011 0.35
2/23/2011 0.20
2/24/2011 0.01
2/25/2011 0.00
2/26/2011 **
2/27/2011 **
2/28/2011 **
3/1/2011 **
3/2/2011 **
3/3/2011 **
3/4/2011 1.99
3/5/2011 **
3/6/2011 0.42
3/7/2011
3/8/2011
3/9/2011
3/10/2011
3/11/2011
3/12/2011
3/13/2011
3/14/2011 1.16
3/15/2011 0.40
3/16/2011 0.68
3/17/2011 0.84
3/18/2011 0.01
3/19/2011 **
3/20/2011 **
3/21/2011 **
3/22/2011 **
3/23/2011 **
3/24/2011 **
3/25/2011 **
3/26/2011 **
3/27/2011 **
3/28/2011 **
3/29/2011 **
3/30/2011 **
3/31/2011 **
Day of YearDaily PrcpMultiday Prcp
4/1/2011 7.04
4/2/2011 1.21
4/3/2011 0.10
4/4/2011 0.74
4/5/2011 1.38
4/6/2011 **
4/7/2011 **
4/8/2011 **
4/9/2011 0.75
4/10/2011 0.11
4/11/2011 0.77
4/12/2011 **
4/13/2011 **
4/14/2011 **
4/15/2011 1.14
4/16/2011 **
4/17/2011 0.50
4/18/2011 **
4/19/2011 0.17
4/20/2011 0.01
4/21/2011 0.12
4/22/2011 0.02
4/23/2011 **
4/24/2011 **
4/25/2011 0.22
4/26/2011 **
4/27/2011 **
4/28/2011 0.84
4/29/2011 0.10
4/30/2011 0.01
5/1/2011 0.00
5/2/2011 0.00
5/3/2011 0.37
5/4/2011 0.01
5/5/2011 **
5/6/2011 **
5/7/2011 **
5/8/2011 0.71
5/9/2011 **
5/10/2011 **
5/11/2011 **
5/12/2011 **
5/13/2011 0.61
5/14/2011 0.12
5/15/2011 0.04
5/16/2011 0.54
5/17/2011
5/18/2011 0.00
5/19/2011 0.00
5/20/2011 0.00
5/21/2011 0.03
5/22/2011 0.22
5/23/2011 0.13
5/24/2011 **
5/25/2011 **
5/26/2011 0.63
5/27/2011 0.07
5/28/2011 0.05
5/29/2011 0.01
5/30/2011 **
5/31/2011 0.09
6/1/2011 0.16
6/2/2011 0.14
6/3/2011 **
6/4/2011 **
6/5/2011 **
6/6/2011 0.02
6/7/2011 **
6/8/2011 **
6/9/2011 **
6/10/2011 0.26
6/11/2011 0.01
6/12/2011 0.00
6/13/2011 0.05
6/14/2011 0.52
6/15/2011 0.12
6/16/2011 0.04
6/17/2011 0.01
6/18/2011 0.20
6/19/2011 0.12
6/20/2011 0.01
6/21/2011 **
6/22/2011 **
6/23/2011 **
6/24/2011 **
6/25/2011 **
6/26/2011 **
6/27/2011 0.09
6/28/2011 0.00
6/29/2011 **
6/30/2011 0.66
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.09
7/2/2011 0.01
7/3/2011 0.05
7/4/2011 **
7/5/2011 **
7/6/2011 **
7/7/2011 **
7/8/2011 0.08
7/9/2011 **
7/10/2011 **
7/11/2011 **
7/12/2011 **
7/13/2011 **
7/14/2011 **
7/15/2011 **
7/16/2011 **
7/17/2011 1.30
7/18/2011 **
7/19/2011 **
7/20/2011 **
7/21/2011 **
7/22/2011 0.75
7/23/2011 **
7/24/2011 **
7/25/2011 **
7/26/2011 0.29
7/27/2011 0.01
7/28/2011 **
7/29/2011 **
7/30/2011 **
7/31/2011 0.01
8/1/2011 **
8/2/2011 **
8/3/2011 **
8/4/2011 **
8/5/2011 0.00
8/6/2011 **
8/7/2011 **
8/8/2011 **
8/9/2011 **
8/10/2011 **
8/11/2011 **
8/12/2011 **
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.00
8/16/2011 0.12
8/17/2011 **
8/18/2011 **
8/19/2011 **
8/20/2011 **
8/21/2011 0.01
8/22/2011 **
8/23/2011 **
8/24/2011 **
8/25/2011 0.33
8/26/2011 **
8/27/2011 **
8/28/2011 **
8/29/2011 **
8/30/2011 **
8/31/2011 0.03
9/1/2011 **
9/2/2011 **
9/3/2011 **
9/4/2011 **
9/5/2011 **
9/6/2011 **
9/7/2011 **
9/8/2011 **
9/9/2011 **
9/10/2011 **
9/11/2011 **
9/12/2011 **
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.00
9/16/2011 0.19
9/17/2011 0.00
9/18/2011 0.14
9/19/2011 0.13
9/20/2011 0.00 **
9/21/2011 **
9/22/2011 0.17
9/23/2011 0.13
9/24/2011 0.01
9/25/2011 **
9/26/2011 0.36
9/27/2011 **
9/28/2011 **
9/29/2011 **
9/30/2011 1.66



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
1/16/2011 9:00 AM 2.52 M M 1.0 M
1/20/2011 9:00 AM 0.07 M M M M
1/23/2011 9:00 AM 0.16 M M M M
2/5/2011 8:00 AM 0.63 M M M M
2/6/2011 9:00 AM 0.21 M M M M
2/7/2011 9:00 AM 0.96 M M M M
2/8/2011 9:00 AM 0.11 M M M M
2/9/2011 9:00 AM 0.00 0.0 M M M
2/10/2011 9:00 AM 0.00 0.0 M M M
2/21/2011 8:00 AM 0.00 0.0 M M M
2/22/2011 9:00 AM 0.35 2.7 0.35 2.5 0.35
2/23/2011 2:00 PM 0.20 2.8 0.20 3.5 M
2/24/2011 9:00 AM 0.01 M M M M Precip fell as snow, now windblown.
2/25/2011 8:30 AM 0.00 0.0 M M M
3/14/2011 2:41 PM 1.16 M M M M
3/15/2011 2:26 PM 0.40 M M M M
3/16/2011 1:25 PM 0.68 M M M M
3/17/2011 11:30 AM 0.84 M M M M Some fell as snow, but most melted by time of measurement.
3/18/2011 12:55 PM 0.01 M M M M
4/2/2011 12:52 PM 1.21 M M M M
4/3/2011 9:41 AM 0.10 M M M M
4/4/2011 10:55 AM 0.74 M M M M
4/5/2011 9:29 AM 1.38 M M M M
4/10/2011 10:00 AM 0.11 M M M M
4/11/2011 11:40 AM 0.77 M M M M
4/20/2011 9:00 AM 0.01 M M M M
4/21/2011 10:26 AM 0.12 M M M M
4/22/2011 12:15 PM 0.02 M M M M
4/29/2011 8:53 AM 0.10 M M M M
4/30/2011 9:00 AM 0.01 M M M M
5/1/2011 9:00 AM 0.00 0.0 M M M
5/2/2011 9:00 AM 0.00 0.0 M M M
5/3/2011 1:20 PM 0.37 M M M M
5/4/2011 9:00 AM 0.01 M M M M
5/14/2011 1:40 PM 0.12 M M M M
5/15/2011 10:55 AM 0.04 M M M M
5/16/2011 8:54 AM 0.54 M M M M
5/18/2011 11:52 AM 0.00 0.0 M M M trace
5/19/2011 9:00 AM 0.00 0.0 M M M
5/20/2011 9:00 AM 0.00 0.0 M M M
5/21/2011 12:22 PM 0.03 M M M M
5/22/2011 9:33 AM 0.22 M M M M
5/23/2011 10:07 AM 0.13 M M M M
5/27/2011 8:54 AM 0.07 M M M M
5/28/2011 12:55 PM 0.05 M M M M
5/29/2011 1:49 PM 0.01 M M M M
6/1/2011 9:43 AM 0.16 M M M M
6/2/2011 10:10 AM 0.14 M M M M
6/11/2011 2:54 PM 0.01 M M M M
6/12/2011 12:00 PM 0.00 0.0 M M M
6/13/2011 9:19 AM 0.05 M M M M
6/14/2011 11:41 AM 0.52 M M M M
6/15/2011 9:49 AM 0.12 M M M M
6/16/2011 9:20 AM 0.04 M M M M
6/17/2011 11:20 AM 0.01 M M M M
6/18/2011 10:00 AM 0.20 M M M M
6/19/2011 11:00 AM 0.12 M M M M
6/20/2011 9:36 AM 0.01 M M M M
6/28/2011 9:00 AM 0.00 0.0 M M M trace
7/1/2011 8:47 AM 0.09 M M M M
7/2/2011 9:00 AM 0.01 M M M M
7/3/2011 11:07 AM 0.05 M M M M
7/27/2011 12:00 PM 0.01 M M M M
8/14/2011 9:00 AM 0.00 0.0 M M M
8/15/2011 9:00 AM 0.00 0.0 M M M
8/16/2011 9:18 AM 0.12 M M M M
9/14/2011 9:00 AM 0.00 0.0 M M M trace
9/15/2011 9:00 AM 0.00 0.0 M M M
9/16/2011 9:00 AM 0.19 M M M M
9/17/2011 9:00 AM 0.00 0.0 M M M
9/18/2011 12:10 PM 0.14 M M M M
9/19/2011 9:00 AM 0.13 M M M M
9/20/2011 9:00 AM 0.00 0.0 M M M trace
9/23/2011 12:00 PM 0.13 M M M M
9/24/2011 9:52 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
1/17/2011 1/19/2011 12:00 AM 3 3.34 M M
1/24/2011 2/04/2011 12:00 AM 12 4.18 M M
2/11/2011 2/17/2011 9:00 AM 7 2.51 0.3 M
2/17/2011 2/19/2011 8:00 AM 3 0.12 M M
2/26/2011 3/04/2011 9:00 AM 7 1.99 M M Missed reporting snow while I was away; probably 12 inches.
3/5/2011 3/06/2011 8:00 AM 2 0.42 M M
3/19/2011 4/01/2011 9:07 AM 14 7.04 M M
4/6/2011 4/09/2011 9:00 AM 4 0.75 M M
4/12/2011 4/15/2011 9:22 AM 4 1.14 0.3 M Snow fell last night. Still some on the ground in sheltered spots as of observation time this morning.
4/16/2011 4/17/2011 9:00 AM 2 0.50 M M Slushy snow fell the night of 4/15 and was mostly melted by morning. Light snow this morning. No accumulation. Very unusual for this time of year!
4/18/2011 4/19/2011 12:00 AM 2 0.17 M M Hail on afternoon of 4/17.
4/23/2011 4/25/2011 8:30 AM 3 0.22 M M
4/26/2011 4/28/2011 10:43 AM 3 0.84 M M
5/5/2011 5/08/2011 10:37 AM 4 0.71 M M
5/9/2011 5/13/2011 10:20 AM 5 0.61 M M
5/24/2011 5/26/2011 5:44 PM 3 0.63 M M
5/30/2011 5/31/2011 10:58 AM 2 0.09 M M
6/3/2011 6/06/2011 9:11 AM 4 0.02 M M
6/7/2011 6/10/2011 12:32 PM 4 0.26 M M
6/21/2011 6/27/2011 9:00 AM 7 0.09 M M
6/29/2011 6/30/2011 1:58 PM 2 0.66 M M
7/4/2011 7/08/2011 9:00 AM 5 0.08 M M
7/9/2011 7/17/2011 12:00 AM 9 1.30 M M
7/18/2011 7/22/2011 5:02 PM 5 0.75 M M
7/23/2011 7/26/2011 9:00 AM 4 0.29 M M
7/28/2011 7/31/2011 10:05 AM 4 0.01 M M
8/1/2011 8/05/2011 2:02 PM 5 0.00 M M
8/6/2011 8/13/2011 9:00 AM 8 0.00 M M
8/17/2011 8/21/2011 2:15 PM 5 0.01 M M
8/22/2011 8/25/2011 3:00 PM 4 0.33 M M
8/26/2011 8/31/2011 11:35 AM 6 0.03 M M
9/1/2011 9/13/2011 12:00 PM 13 0.00 M M
9/20/2011 9/22/2011 10:02 AM 3 0.17 M M
9/25/2011 9/26/2011 9:05 AM 2 0.36 M M
9/27/2011 9/30/2011 9:00 AM 4 1.66 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