Station Overview Station Location
Station Number WA-SJ-23 Latitude 48.498974
Station Name Lopez Island 2.1 NW Longitude -122.925624
County San Juan Elevation (ft) 131



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 2.35 3.46 31 2.96 18 0.50 13 3 14 1 0.0 0 0
Nov 17 3.74 3.48 30 2.42 15 1.06 15 4 12 0 0.0 0 0
Dec 17 2.89 4.33 31 1.51 7 2.82 24 4 4 0 0.0 0 0
Jan 18 3.19 0.00 1 0.00 1 0.00 0 0 0 0 0.0 0 0
Feb 18 1.88 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 1.87 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 1.51 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 18 1.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 18 1.18 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 18 0.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 18 0.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 1.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 22.68" 11.27" 93 days 6.89" 41 4.38" 52 days 11 30 days 1 days 0.0" 0 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 **
10/2/2017 **
10/3/2017 **
10/4/2017 0.38
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.08
10/8/2017 0.02
10/9/2017 0.01
10/10/2017 0.00
10/11/2017 0.07
10/12/2017 0.05
10/13/2017 0.03
10/14/2017 **
10/15/2017 0.05
10/16/2017 T
10/17/2017 0.34
10/18/2017 0.05
10/19/2017 1.25
10/20/2017 0.20
10/21/2017 0.11
10/22/2017 0.58
10/23/2017 **
10/24/2017 **
10/25/2017 0.07
10/26/2017 0.16
10/27/2017 0.01
10/28/2017 **
10/29/2017 **
10/30/2017 **
10/31/2017 **
11/1/2017 **
11/2/2017 **
11/3/2017 0.25
11/4/2017 **
11/5/2017 **
11/6/2017 0.02
11/7/2017 **
11/8/2017 **
11/9/2017 **
11/10/2017 **
11/11/2017 0.07
11/12/2017 0.32
11/13/2017 0.36
11/14/2017 0.22
11/15/2017 0.04
11/16/2017 0.01
11/17/2017 0.10
11/18/2017 0.00
11/19/2017 0.00
11/20/2017 0.78
11/21/2017 0.01
11/22/2017 **
11/23/2017 **
11/24/2017 **
11/25/2017 0.72
11/26/2017 0.12
11/27/2017 0.22
11/28/2017 0.00
11/29/2017 0.17
11/30/2017 0.07
12/1/2017 0.53
12/2/2017 0.37
12/3/2017 **
12/4/2017 **
12/5/2017 **
12/6/2017 0.10
12/7/2017 0.00
12/8/2017 **
12/9/2017 **
12/10/2017 **
12/11/2017 **
12/12/2017 0.05
12/13/2017 0.00
12/14/2017 0.00
12/15/2017 **
12/16/2017 0.24
12/17/2017 0.26
12/18/2017 0.35
12/19/2017 **
12/20/2017 **
12/21/2017 **
12/22/2017 **
12/23/2017 **
12/24/2017 **
12/25/2017 **
12/26/2017 **
12/27/2017 **
12/28/2017 **
12/29/2017 **
12/30/2017 **
12/31/2017 2.43
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018 0.00
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018
3/14/2018
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
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
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
5/11/2018
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
6/1/2018
6/2/2018
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018
6/10/2018
6/11/2018
6/12/2018
6/13/2018
6/14/2018
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
6/24/2018
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018
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
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
8/11/2018
8/12/2018
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
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/5/2017 7:45 AM 0.00 0.0 M M M Clear sky, sun not up yet. Wind calm.
10/6/2017 7:55 AM 0.00 0.0 M M M Very light wind. Overcast. Yesterday was warm, blue sky, not a cloud.
10/7/2017 7:25 AM 0.08 M M M M Wind calm. Mostly blue sky. Rained early evening last night.
10/8/2017 7:20 AM 0.02 M M M M High dark clouds. Wind calm.
10/9/2017 7:45 AM 0.01 M M M M It is very humid. There was about 0.01 in my tube. It didn't rain, but is from the humidity. Cloudy. Very sunny yesterday afternoon.
10/10/2017 7:45 AM 0.00 0.0 M M M Overcast. Wind calm. Yesterday ended up being blue sky, no wind and sunny.
10/11/2017 7:25 AM 0.07 M M M M Mostly cloudy. Wind calm. Cold morning. Yesterday it turned sunny, clear sky.
10/12/2017 8:30 AM 0.05 M M M M Cloudy, light rain.
10/13/2017 5:15 AM 0.03 M M M M Wind calm. Not raining.
10/16/2017 7:40 AM T M M M M Light wind. Overcast sky.
10/17/2017 7:55 AM 0.34 M M M M Moderate rain. Light wind. Light fog.
10/18/2017 7:45 AM 0.05 M M M M Light rain. Wind calm. Overcast, cloudy. Yesterday afternoon we had sun, beautiful afternoon.
10/19/2017 7:40 AM 1.25 M M M M Overcast. Light rain. Light wind. This may have been our wettest day of the year.
10/20/2017 10:20 AM 0.20 M M M M Mostly cloudy. Light wind out of the south. Not raining.
10/21/2017 7:55 AM 0.11 M M M M Moderate wind. Cloudy. Not raining now.
10/22/2017 7:45 AM 0.58 M M M M Light wind. Mostly cloudy. Quite a bit of rain for Lopez.
10/26/2017 7:40 AM 0.16 M M M M Clear sky. Wind calm.
10/27/2017 6:10 AM 0.01 M M M M Wind calm. Sky clear.
11/12/2017 8:05 AM 0.32 M M M M Wind calm. High cloudy. Most of the rain came during the night.
11/13/2017 9:25 AM 0.36 M M M M Moderate wind, all night. Sunny now, partly cloudy.
11/14/2017 8:40 AM 0.22 M M M M Moderate wind. Very cloudy, overcast.
11/15/2017 8:10 AM 0.04 M M M M Light wind. Mixed sky, blue sky, high clouds, everything.
11/16/2017 5:15 AM 0.01 M M M M Clear sky. Wind calm.
11/17/2017 7:10 AM 0.10 M M M M Very light wind. Partly cloudy sky. Not raining.
11/18/2017 8:00 AM 0.00 0.0 M M M Very light wind. Overcast/high clouds.
11/19/2017 7:45 AM 0.00 0.0 M M M Windy. Cloudy.
11/20/2017 7:32 AM 0.78 M M M M Raining. It has rained a lot during the night/early morning. Wind calm.
11/21/2017 7:50 AM 0.01 M M M M Raining, but have just started. Wind calm. Overcast/cloudy sky.
11/26/2017 7:45 AM 0.12 M M M M Light wind. Light rain. Overcast sky.
11/27/2017 7:45 AM 0.22 M M M M Wind calm. Partly cloudy, with a bit of blue. Not raining!!
11/28/2017 7:35 AM 0.00 0.0 M M M Windy. Overcast/cloudy sky. Not raining.
11/29/2017 8:30 AM 0.17 M M M M Light wind. Mostly cloudy with a bit of sun. Cold.
11/30/2017 7:45 AM 0.07 M M M M Wind light. Overcast.
12/1/2017 7:48 AM 0.53 M M M M Raining. Wind calm. Overcast sky.
12/2/2017 7:40 AM 0.37 M M M M Light rain. Wind calm. Cloudy.
12/7/2017 7:45 AM 0.00 0.0 M M M Icy. Wind calm. Clear sky, sun to come.
12/13/2017 7:50 AM 0.00 0.0 M M M Wind calm. Blue sky.
12/14/2017 8:00 AM 0.00 0.0 M M M Wind calm. Cloudy sky.
12/17/2017 7:45 AM 0.26 M M M M Light rain, overcast, calm wind.
12/18/2017 8:00 AM 0.35 M M M M Wind calm. Cloudy.
1/2/2018 9:00 AM 0.00 0.0 M M M Wind calm. Overcast.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/24/2017 10/04/2017 8:30 AM 11 0.38 M M Today, sunny, wind calm.
10/14/2017 10/15/2017 7:30 AM 2 0.05 M M Wind calm. Mostly sunny. Very nice fall day!
10/23/2017 10/25/2017 8:25 AM 3 0.07 M M Cloudy this morning. Light wind. Appeared to rain last night.
10/28/2017 11/03/2017 5:15 AM 7 0.25 M M Currently not raining. Overcast.
11/4/2017 11/06/2017 8:00 AM 3 0.02 M M Very little rain here. I was in Seattle, much much more there. Here: partly cloudy, wind calm.
11/7/2017 11/11/2017 8:40 AM 5 0.07 M M Cloudy. Light wind.
11/22/2017 11/25/2017 7:55 AM 4 0.72 M M Very wet/raining for our area. Not raining now.
12/3/2017 12/06/2017 8:00 AM 4 0.10 M M Beautiful day. Sky clear. Wind calm.
12/8/2017 12/12/2017 8:15 AM 5 0.05 M M Wind calm. Partly cloudy.
12/15/2017 12/16/2017 8:00 AM 2 0.24 M M Overcast/high clouds. Wind calm.
12/19/2017 12/31/2017 12:30 PM 13 2.43 M M Beautiful day today. I had to wait until the ice melted to measure.



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