Station Overview Station Location
Station Number WA-TH-37 Latitude 47.026292
Station Name Olympia 2.3 ESE Longitude -122.850564
County Thurston Elevation (ft) 226



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 19 4.33 4.62 31 4.62 31 0.00 0 0 13 1 0.0 0 0
Nov 19 8.39 1.70 30 1.70 30 0.00 0 0 13 0 0.0 0 0
Dec 19 7.10 8.83 31 8.83 31 0.00 0 0 27 0 0.0 0 0
Jan 20 7.42 16.41 31 15.76 29 0.65 2 1 29 0 1.3 1 0
Feb 20 5.33 3.86 29 3.86 29 0.00 0 0 19 0 0.0 0 0
March 20 5.21 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 20 3.54 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 20 2.31 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 20 1.84 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 20 0.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 20 0.89 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 20 1.67 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 48.69" 35.42" 152 days 34.77" 150 0.65" 2 days 1 101 days 1 days 1.3" 1 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
10/1/2019 0.00
10/2/2019 0.00
10/3/2019 0.00
10/4/2019 0.08
10/5/2019 0.09
10/6/2019 0.01
10/7/2019 0.00
10/8/2019 0.22
10/9/2019 0.03
10/10/2019 0.00
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.01
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.11
10/17/2019 0.46
10/18/2019 0.50
10/19/2019 2.11
10/20/2019 0.12
10/21/2019 0.10
10/22/2019 0.78
10/23/2019 0.00
10/24/2019 0.00
10/25/2019 0.00
10/26/2019 T
10/27/2019 0.00
10/28/2019 0.00
10/29/2019 0.00
10/30/2019 0.00
10/31/2019 0.00
11/1/2019 0.00
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 0.00
11/8/2019 0.00
11/9/2019 0.12
11/10/2019 0.07
11/11/2019 0.02
11/12/2019 0.05
11/13/2019 0.16
11/14/2019 0.00
11/15/2019 0.16
11/16/2019 0.12
11/17/2019 0.14
11/18/2019 0.23
11/19/2019 0.33
11/20/2019 0.22
11/21/2019 0.00
11/22/2019 0.00
11/23/2019 0.00
11/24/2019 0.03
11/25/2019 0.05
11/26/2019 0.00
11/27/2019 0.00
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.00
12/1/2019 0.02
12/2/2019 0.02
12/3/2019 0.00
12/4/2019 0.02
12/5/2019 0.06
12/6/2019 0.01
12/7/2019 0.44
12/8/2019 0.04
12/9/2019 0.03
12/10/2019 0.00
12/11/2019 0.25
12/12/2019 0.55
12/13/2019 0.37
12/14/2019 0.03
12/15/2019 0.25
12/16/2019 0.01
12/17/2019 0.00
12/18/2019 0.00
12/19/2019 0.42
12/20/2019 3.32
12/21/2019 2.24
12/22/2019 0.25
12/23/2019 0.18
12/24/2019 0.04
12/25/2019 0.07
12/26/2019 0.04
12/27/2019 0.06
12/28/2019 0.01
12/29/2019 0.02
12/30/2019 0.07
12/31/2019 0.01
Day of YearDaily PrcpMultiday Prcp
1/1/2020 1.43
1/2/2020 **
1/3/2020 0.65
1/4/2020 0.47
1/5/2020 0.26
1/6/2020 0.80
1/7/2020 2.65
1/8/2020 0.45
1/9/2020 0.02
1/10/2020 0.11
1/11/2020 1.25
1/12/2020 0.37
1/13/2020 0.22
1/14/2020 0.13
1/15/2020 0.02
1/16/2020 0.11
1/17/2020 0.03
1/18/2020 0.27
1/19/2020 0.03
1/20/2020 0.06
1/21/2020 0.14
1/22/2020 0.57
1/23/2020 0.79
1/24/2020 1.15
1/25/2020 0.85
1/26/2020 0.31
1/27/2020 0.25
1/28/2020 1.36
1/29/2020 0.19
1/30/2020 0.52
1/31/2020 0.95
2/1/2020 1.21
2/2/2020 0.11
2/3/2020 0.01
2/4/2020 0.00
2/5/2020 0.22
2/6/2020 0.12
2/7/2020 0.37
2/8/2020 0.48
2/9/2020 0.04
2/10/2020 0.00
2/11/2020 0.00
2/12/2020 0.08
2/13/2020 0.00
2/14/2020 0.14
2/15/2020 0.04
2/16/2020 0.07
2/17/2020 0.13
2/18/2020 0.00
2/19/2020 0.00
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.02
2/23/2020 0.18
2/24/2020 0.19
2/25/2020 0.00
2/26/2020 0.01
2/27/2020 0.01
2/28/2020 0.00
2/29/2020 0.43
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020
5/3/2020
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020
5/13/2020
5/14/2020
5/15/2020
5/16/2020
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020
6/8/2020
6/9/2020
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020
6/28/2020
6/29/2020
6/30/2020
Day of YearDaily PrcpMultiday Prcp
7/1/2020
7/2/2020
7/3/2020
7/4/2020
7/5/2020
7/6/2020
7/7/2020
7/8/2020
7/9/2020
7/10/2020
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020
7/16/2020
7/17/2020
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020
7/30/2020
7/31/2020
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020
8/7/2020
8/8/2020
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020
8/14/2020
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020
8/20/2020
8/21/2020
8/22/2020
8/23/2020
8/24/2020
8/25/2020
8/26/2020
8/27/2020
8/28/2020
8/29/2020
8/30/2020
8/31/2020
9/1/2020
9/2/2020
9/3/2020
9/4/2020
9/5/2020
9/6/2020
9/7/2020
9/8/2020
9/9/2020
9/10/2020
9/11/2020
9/12/2020
9/13/2020
9/14/2020
9/15/2020
9/16/2020
9/17/2020
9/18/2020
9/19/2020
9/20/2020
9/21/2020
9/22/2020
9/23/2020
9/24/2020
9/25/2020
9/26/2020
9/27/2020
9/28/2020
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 6:25 AM 0.00 0.0 M M M Clear, calm, 33°.
10/2/2019 6:10 AM 0.00 0.0 M M M Clear, calm, 35°.
10/3/2019 6:05 AM 0.00 0.0 M M M Mostly cloudy, calm, 51°.
10/4/2019 5:55 AM 0.08 M M M M Partly cloudy, breezy, on-off showers, 48°.
10/5/2019 6:30 AM 0.09 M M M M Mostly cloudy, calm, 48°.
10/6/2019 6:15 AM 0.01 M M M M Cloudy, fog, calm, 47°.
10/7/2019 6:00 AM 0.00 0.0 M M M Cloudy, light breeze, 47°.
10/8/2019 5:45 AM 0.22 M M M M Mostly clear, breezy, 47°.
10/9/2019 6:25 AM 0.03 0.0 M M M Clear, calm, 31°.
10/10/2019 6:05 AM 0.00 0.0 M M M Clear, calm, 28°.
10/11/2019 5:55 AM 0.00 0.0 M M M Clear, calm, 31°.
10/12/2019 6:05 AM 0.00 0.0 M M M Cloudy, calm, 36°.
10/13/2019 6:50 AM 0.01 M M M M Cloudy, calm, 46°.
10/14/2019 6:50 AM 0.00 0.0 M M M Clear, calm, 37°.
10/15/2019 6:10 AM 0.00 0.0 M M M Partly cloudy, calm, 39°.
10/16/2019 6:12 AM 0.11 M M M M Cloudy, calm, raining, 48°.
10/17/2019 6:25 AM 0.46 M M M M Mostly cloudy, calm, 48°.
10/18/2019 6:10 AM 0.50 M M M M Cloudy, calm, drizzle, 46°.
10/19/2019 6:05 AM 2.11 M M M M Cloudy, calm, light rain, 46°.
10/20/2019 7:00 AM 0.12 M M M M Cloudy, calm, 44°.
10/21/2019 7:00 AM 0.10 M M M M Cloudy, calm, 50°.
10/22/2019 6:30 AM 0.78 M M M M Partly cloudy, calm, 52°.
10/23/2019 6:05 AM 0.00 0.0 M M M Clear, calm, 43°.
10/24/2019 6:25 AM 0.00 0.0 M M M Cloudy, calm, fog, 44°.
10/25/2019 6:30 AM 0.00 0.0 M M M Mostly cloudy, calm, 44°.
10/26/2019 6:05 AM T M M M M Partly cloudy, calm, 36°.
10/27/2019 6:25 AM 0.00 0.0 M M M Clear, calm, 32°.
10/28/2019 6:25 AM 0.00 0.0 M M M Clear, calm, patchy thin fog, 28°.
10/29/2019 6:20 AM 0.00 0.0 M M M Clear, calm, 30°.
10/30/2019 6:00 AM 0.00 0.0 M M M Clear, calm, 26°.
10/31/2019 6:40 AM 0.00 0.0 M M M Clear, calm, 28°.
11/1/2019 6:25 AM 0.00 0.0 M M M Clear, calm, 30°.
11/2/2019 6:35 AM 0.00 0.0 M M M Mostly clear, some thin fog, calm, 32°.
11/3/2019 6:45 AM 0.00 0.0 M M M Fog, calm, 35°.
11/4/2019 6:35 AM 0.00 0.0 M M M Fog, calm, 38°.
11/5/2019 6:30 AM 0.00 0.0 M M M Fog, calm, 40°.
11/6/2019 6:25 AM 0.00 0.0 M M M Overcast, thin fog, calm, 41°.
11/7/2019 6:20 AM 0.00 0.0 M M M Cloudy, fog, calm, 38°.
11/8/2019 6:30 AM 0.00 0.0 M M M Cloudy, light fog, calm, 33°.
11/9/2019 6:35 AM 0.12 M M M M Cloudy, raining, calm, 45°.
11/10/2019 6:30 AM 0.07 M M M M Cloudy, fog, calm, 49°.
11/11/2019 5:20 AM 0.02 0.0 M M M Cloudy, fog, calm, 48°.
11/12/2019 6:30 AM 0.05 M M M M Cloudy, calm, light rain, 46°.
11/13/2019 6:45 AM 0.16 M M M M Cloudy, fog, calm, 49°.
11/14/2019 6:35 AM 0.00 0.0 M M M Cloudy, calm, 46°.
11/15/2019 5:25 AM 0.16 M M M M Cloudy, calm, light drizzle, 46°.
11/16/2019 6:25 AM 0.12 M M M M Cloudy, thin fog, calm, 43°.
11/17/2019 6:25 AM 0.14 M M M M Cloudy, raining, calm, 50°.
11/18/2019 7:00 AM 0.23 M M M M Cloudy, calm, 44°.
11/19/2019 5:55 AM 0.33 M M M M Overcast, calm, 47°.
11/20/2019 5:45 AM 0.22 M M M M Clear, calm, 32°.
11/21/2019 6:25 AM 0.00 0.0 M M M Fog, calm, 30°.
11/22/2019 6:00 AM 0.00 0.0 M M M Foggy, calm, 30°.
11/23/2019 6:00 AM 0.00 0.0 M M M Mostly cloudy, some fog, calm, 31°.
11/24/2019 6:35 AM 0.03 M M M M Partly cloudy, calm, 41°.
11/25/2019 6:20 AM 0.05 M M M M Mostly clear, light breeze, 34°.
11/26/2019 7:00 AM 0.00 0.0 M M M Overcast, calm, 31°.
11/27/2019 6:15 AM 0.00 0.0 M M M Clear, breezy, 38°.
11/28/2019 6:30 AM 0.00 0.0 M M M Clear, breezy at times, 34°.
11/29/2019 5:55 AM 0.00 0.0 M M M Clear, calm, 23°.
11/30/2019 6:30 AM 0.00 0.0 M M M Fog, calm, 23°.
12/1/2019 6:00 AM 0.02 M M M M Cloudy, calm, light sprinkle, 35°. No trace of snow.
12/2/2019 6:25 AM 0.02 M M M M Foggy, calm, 33°.
12/3/2019 6:30 AM 0.00 0.0 M M M Cloudy, light breeze, 40°.
12/4/2019 6:15 AM 0.02 M M M M Cloudy, calm, drizzle, 44°.
12/5/2019 5:45 AM 0.06 M M M M Overcast, calm, 44°.
12/6/2019 6:15 AM 0.01 M M M M Cloudy, thin fog, calm, 44°.
12/7/2019 6:30 AM 0.44 M M M M Cloudy, calm, drizzle, 45°.
12/8/2019 5:50 AM 0.04 M M M M Cloudy, calm, 46°.
12/9/2019 6:20 AM 0.03 M M M M Cloudy, calm, 45°.
12/10/2019 5:30 AM 0.00 0.0 M M M Cloudy, calm, 42°.
12/11/2019 6:20 AM 0.25 M M M M Mostly cloudy, calm, 43°.
12/12/2019 6:30 AM 0.55 M M M M Mostly cloudy, breezy, 44°.
12/13/2019 6:25 AM 0.37 M M M M Partly cloudy, calm, setting full moon in the west, 40°.
12/14/2019 6:15 AM 0.03 M M M M Cloudy, drizzle, calm, 39°.
12/15/2019 6:05 AM 0.25 0.0 M M M Cloudy, calm, 39°.
12/16/2019 6:05 AM 0.01 M M M M Cloudy, calm, drizzle, 35°.
12/17/2019 6:00 AM 0.00 0.0 M M M Thin fog, calm, 31°.
12/18/2019 6:15 AM 0.00 0.0 M M M Overcast, light breeze, 39°.
12/19/2019 6:10 AM 0.42 M M M M Beautiful morning, clear, calm, 39°.
12/20/2019 6:15 AM 3.32 M M M M Cloudy, rain, heavy at times, 50°
12/21/2019 6:10 AM 2.24 M M M M Cloudy, light rain, calm, 45°.
12/22/2019 6:35 AM 0.25 M M M M Fog, calm, 38°.
12/23/2019 6:00 AM 0.18 M M M M Cloudy, calm, 40°.
12/24/2019 6:20 AM 0.04 M M M M Mostly cloudy, light breeze, 32°.
12/25/2019 6:35 AM 0.07 M M M M Cloudy, all is calm, 36°. MERRY CHRISTMAS!! and a HAPPY NEW YEAR!!
12/26/2019 6:25 AM 0.04 M M M M Fog, calm, 33°.
12/27/2019 6:10 AM 0.06 M M M M Partly cloudy, breezy, 35°.
12/28/2019 6:25 AM 0.01 M M M M Cloudy, calm, 39°.
12/29/2019 6:30 AM 0.02 M M M M Cloudy, calm, 41°.
12/30/2019 6:10 AM 0.07 M M M M Cloudy, light breeze, 42°.
12/31/2019 6:20 AM 0.01 M M M M Cloudy, drizzle, breezy, 44°.
1/1/2020 6:25 AM 1.43 M M M M Cloudy, mist, calm, 48°.
1/4/2020 6:20 AM 0.47 M M M M Clear, light breeze, 39°.
1/5/2020 6:30 AM 0.26 M M M M Cloudy, breezy, 41°.
1/6/2020 6:15 AM 0.80 M M M M Cloudy, raining, calm, 42°.
1/7/2020 6:15 AM 2.65 M M M M Overcast, calm, light rain, 46°.
1/8/2020 6:45 AM 0.45 M M M M cloudy, light breeze, 39°.
1/9/2020 6:45 AM 0.02 M M M M Cloudy, calm, very light drizzle, 33°.
1/10/2020 6:30 AM 0.11 M M M M Cloudy, breezy, light rain, 38°.
1/11/2020 6:30 AM 1.25 M M M M Mostly cloudy, windy, 43°.
1/12/2020 6:30 AM 0.37 M M M M Mostly cloudy, breezy, 39°.
1/13/2020 6:25 AM 0.22 M M M M Cloudy, calm, 32°. Intermittent brief flurries yesterday and overnight. Spotty traces remain this AM.
1/14/2020 5:20 AM 0.13 1.3 M M M Cloudy, calm, very light snow, 31°.
1/15/2020 6:35 AM 0.02 M M M M Mostly clear, calm, 29°.
1/16/2020 5:50 AM 0.11 M M M M Mostly cloudy, calm, 37°.
1/17/2020 7:00 AM 0.03 M M M M Partly cloudy, calm, 29°.
1/18/2020 6:15 AM 0.27 M M M M Cloudy, breezy, 40°.
1/19/2020 7:00 AM 0.03 M M M M Cloudy, calm, drizzle, 43°.
1/20/2020 6:40 AM 0.06 M M M M Cloudy, calm, 43°.
1/21/2020 6:45 AM 0.14 M M M M Mostly cloudy, breezy, 44°.
1/22/2020 6:20 AM 0.57 M M M M Cloudy, calm, light rain, 43°.
1/23/2020 6:20 AM 0.79 M M M M Cloudy, breezy, light rain, 50°.
1/24/2020 6:00 AM 1.15 M M M M Cloudy, calm, 48°.
1/25/2020 6:25 AM 0.85 M M M M Cloudy, calm, drizzle, 45°.
1/26/2020 6:25 AM 0.31 M M M M Mostly cloudy, calm, 47°.
1/27/2020 6:10 AM 0.25 M M M M Mostly cloudy, calm, 41°.
1/28/2020 5:30 AM 1.36 M M M M Cloudy, calm, raining, 47°.
1/29/2020 6:10 AM 0.19 M M M M Cloudy, rain, breezy, 45°.
1/30/2020 6:30 AM 0.52 M M M M Cloudy, thin fog, calm, 37°.
1/31/2020 6:45 AM 0.95 M M M M Cloudy, calm, drizzle, 51°.
2/1/2020 6:30 AM 1.21 M M M M Cloudy, breezy, drizzle, 51°.
2/2/2020 6:25 AM 0.11 M M M M Clear, calm, 31°.
2/3/2020 6:30 AM 0.01 M M M M Cloudy, calm, 32°.
2/4/2020 6:05 AM 0.00 0.0 M M M Cloudy, patchy fog, calm, 29°.
2/5/2020 7:00 AM 0.22 M M M M Cloudy, calm, drizzle, 41°.
2/6/2020 7:00 AM 0.12 M M M M Cloudy, calm, light rain, 48°.
2/7/2020 6:25 AM 0.37 M M M M Cloudy, breezy, 48°.
2/8/2020 6:35 AM 0.48 M M M M Mostly cloudy, breezy, 43°.
2/9/2020 6:35 AM 0.04 M M M M Fog, calm, 30°.
2/10/2020 6:15 AM 0.00 0.0 M M M Cloudy, some thin fog, calm, 35°.
2/11/2020 6:30 AM 0.00 0.0 M M M Mostly cloudy, calm, 34°.
2/12/2020 7:00 AM 0.08 M M M M Late report. Cloudy, calm, 43°.
2/13/2020 7:00 AM 0.00 0.0 M M M Cloudy, calm, 36°.
2/14/2020 6:15 AM 0.14 M M M M Partly cloudy, calm, 37°.
2/15/2020 6:10 AM 0.04 M M M M Cloudy, breezy, drizzle, 41°.
2/16/2020 6:25 AM 0.07 M M M M Clear, calm, 34°.
2/17/2020 6:20 AM 0.13 M M M M Clear, calm, 30°.
2/18/2020 6:25 AM 0.00 0.0 M M M Fog, calm, 29°.
2/19/2020 6:30 AM 0.00 0.0 M M M Mostly clear, patchy fog, calm, 26°.
2/20/2020 6:40 AM 0.00 0.0 M M M Mostly clear, calm, 24°.
2/21/2020 6:45 AM 0.00 0.0 M M M Clear, calm, 27°.
2/22/2020 6:45 AM 0.02 M M M M Cloudy, calm, 39°.
2/23/2020 6:50 AM 0.18 M M M M Cloudy, windy, raining, 45°.
2/24/2020 6:50 AM 0.19 M M M M Partly cloudy, light breeze, 38°.
2/25/2020 6:00 AM 0.00 0.0 M M M Mostly clear, some thin fog, calm, 30°.
2/26/2020 7:00 AM 0.01 M M M M Cloudy, calm, 41°.
2/27/2020 6:15 AM 0.01 M M M M Clear, calm, 34°.
2/28/2020 6:30 AM 0.00 0.0 M M M Foggy, calm, 32°.
2/29/2020 6:00 AM 0.43 M M M M Cloudy, calm, 40°.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
1/2/2020 1/03/2020 6:40 AM 2 0.65 M M Mostly cloudy, breezy, 48°.



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