Station Overview Station Location
Station Number WA-OK-28 Latitude 48.496531
Station Name Winthrop 4.1 WNW Longitude -120.260589
County Okanogan Elevation (ft) 1840



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 1.06 1.29 31 1.29 31 0.00 0 0 6 2 0.0 0 0
Nov 18 2.25 0.70 29 0.70 29 0.00 0 0 6 3 0.3 1 1
Dec 18 2.78 3.01 30 2.66 28 0.35 2 1 13 3 16.0 10 11
Jan 19 2.50 2.12 31 2.12 31 0.00 0 0 8 0 26.8 8 8
Feb 19 1.63 1.30 28 1.30 28 0.00 0 0 6 2 14.1 5 7
March 19 1.22 0.73 25 0.73 25 0.00 0 0 6 1 6.7 4 18
April 19 0.78 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 19 1.07 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 19 1.17 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 19 0.72 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 19 0.47 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 0.47 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 16.12" 9.15" 174 days 8.80" 172 0.35" 2 days 1 45 days 11 days 63.9" 28 days 45 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 T
10/2/2018 0.01
10/3/2018 T
10/4/2018 0.00
10/5/2018 0.00
10/6/2018 0.01
10/7/2018 0.00
10/8/2018 0.01
10/9/2018 0.53
10/10/2018 0.00
10/11/2018 0.00
10/12/2018 0.00
10/13/2018 0.00
10/14/2018 0.00
10/15/2018 0.00
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.00
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.00
10/25/2018 0.00
10/26/2018 0.16
10/27/2018 0.00
10/28/2018 0.57
10/29/2018 0.00
10/30/2018 0.00
10/31/2018 0.00
11/1/2018 T
11/2/2018 T
11/3/2018 0.00
11/4/2018 0.04
11/5/2018 0.00
11/6/2018 0.00
11/7/2018 0.00
11/8/2018 0.00
11/9/2018 0.00
11/10/2018 0.00
11/11/2018 0.00
11/12/2018 0.00
11/13/2018 0.00
11/14/2018 T
11/15/2018 0.03
11/16/2018 0.00
11/17/2018 0.00
11/18/2018 0.00
11/19/2018 0.00
11/20/2018
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.23
11/24/2018 0.08
11/25/2018 0.00
11/26/2018 0.00
11/27/2018 0.24
11/28/2018 0.08
11/29/2018 0.00
11/30/2018 0.00
12/1/2018 0.01
12/2/2018 0.00
12/3/2018 0.00
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.12
12/11/2018 0.34 **
12/12/2018 0.00 0.35
12/13/2018 0.00
12/14/2018 T
12/15/2018 T
12/16/2018 0.63
12/17/2018 0.05
12/18/2018 0.53
12/19/2018
12/20/2018 0.15
12/21/2018 0.25
12/22/2018 0.00
12/23/2018 0.18
12/24/2018
12/25/2018
12/26/2018 0.08
12/27/2018 0.07
12/28/2018 0.08
12/29/2018 T
12/30/2018 0.17
12/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.00
1/2/2019 0.00
1/3/2019 0.14
1/4/2019 0.20
1/5/2019 0.00
1/6/2019 0.21
1/7/2019 0.00
1/8/2019 0.00
1/9/2019 0.32
1/10/2019 0.00
1/11/2019 0.00
1/12/2019 0.00
1/13/2019 0.00
1/14/2019 0.00
1/15/2019 0.00
1/16/2019 0.00
1/17/2019 0.31
1/18/2019 0.01
1/19/2019 0.41
1/20/2019 0.00
1/21/2019 0.00
1/22/2019 0.00
1/23/2019 0.52
1/24/2019 0.00
1/25/2019 0.00
1/26/2019 0.00
1/27/2019 0.00
1/28/2019 0.00
1/29/2019 0.00
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 0.00
2/2/2019 0.00
2/3/2019 0.00
2/4/2019 T
2/5/2019 0.00
2/6/2019 0.00
2/7/2019 0.00
2/8/2019 0.00
2/9/2019 0.21
2/10/2019 0.00
2/11/2019 0.14
2/12/2019 0.25
2/13/2019 0.00
2/14/2019 0.58
2/15/2019 0.00
2/16/2019 0.00
2/17/2019 0.00
2/18/2019 0.00
2/19/2019 0.00
2/20/2019 0.00
2/21/2019 0.00
2/22/2019 0.01
2/23/2019 0.00
2/24/2019 0.00
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 T
2/28/2019 0.11
3/1/2019 0.00
3/2/2019 0.00
3/3/2019 0.05
3/4/2019 0.00
3/5/2019 0.00
3/6/2019 0.04
3/7/2019 0.25
3/8/2019 0.00
3/9/2019 0.00
3/10/2019 0.00
3/11/2019
3/12/2019 T
3/13/2019 0.04
3/14/2019 0.00
3/15/2019 0.00
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019 0.00
3/22/2019 0.00
3/23/2019 0.00
3/24/2019 0.00
3/25/2019 0.20
3/26/2019 0.15
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
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
4/13/2019
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019
4/30/2019
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019
5/18/2019
5/19/2019
5/20/2019
5/21/2019
5/22/2019
5/23/2019
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
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
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 7:00 AM T M M M M
10/2/2018 7:00 AM 0.01 M M M M
10/3/2018 7:00 AM T M M M M 26.5 F this am. First hard frost.
10/4/2018 7:00 AM 0.00 0.0 M M M
10/5/2018 7:00 AM 0.00 0.0 M M M
10/6/2018 7:00 AM 0.01 M M M M
10/7/2018 7:00 AM 0.00 0.0 M M M
10/8/2018 7:00 AM 0.01 M M M M
10/9/2018 7:00 AM 0.53 M M M M
10/10/2018 7:00 AM 0.00 0.0 M M M
10/11/2018 7:00 AM 0.00 0.0 M M M
10/12/2018 7:00 AM 0.00 0.0 M M M
10/13/2018 7:00 AM 0.00 0.0 M M M
10/14/2018 7:00 AM 0.00 0.0 M M M
10/15/2018 7:00 AM 0.00 0.0 M M M
10/16/2018 7:00 AM 0.00 0.0 M M M
10/17/2018 7:00 AM 0.00 0.0 M M M
10/18/2018 7:00 AM 0.00 0.0 M M M
10/19/2018 7:00 AM 0.00 0.0 M M M
10/20/2018 7:00 AM 0.00 0.0 M M M
10/21/2018 7:00 AM 0.00 0.0 M M M
10/22/2018 7:00 AM 0.00 0.0 M M M
10/23/2018 7:00 AM 0.00 0.0 M M M
10/24/2018 7:00 AM 0.00 0.0 M M M
10/25/2018 7:00 AM 0.00 0.0 M M M
10/26/2018 7:00 AM 0.16 M M M M
10/27/2018 7:00 AM 0.00 0.0 M M M
10/28/2018 7:00 AM 0.57 M M M M
10/29/2018 7:00 AM 0.00 0.0 M M M
10/30/2018 7:00 AM 0.00 0.0 M M M
10/31/2018 7:00 AM 0.00 0.0 M M M
11/1/2018 7:00 AM T M M M M
11/2/2018 7:00 AM T M M M M
11/3/2018 7:00 AM 0.00 0.0 M M M
11/4/2018 7:00 AM 0.04 M M M M
11/5/2018 7:00 AM 0.00 0.0 M M M
11/6/2018 7:00 AM 0.00 0.0 M M M
11/7/2018 7:00 AM 0.00 0.0 M M M
11/8/2018 7:00 AM 0.00 0.0 M M M
11/9/2018 7:00 AM 0.00 0.0 M M M
11/10/2018 7:00 AM 0.00 0.0 M M M
11/11/2018 7:00 AM 0.00 0.0 M M M
11/12/2018 7:00 AM 0.00 0.0 M M M
11/13/2018 7:00 AM 0.00 0.0 M M M
11/14/2018 7:00 AM T M M M M Sleet and freezing rain.
11/15/2018 7:00 AM 0.03 0.3 M M M snow, sleet, and freezing rain
11/16/2018 7:00 AM 0.00 0.0 M M M
11/17/2018 7:00 AM 0.00 0.0 M M M
11/18/2018 7:00 AM 0.00 0.0 M M M
11/19/2018 7:00 AM 0.00 0.0 M M M
11/21/2018 7:00 AM 0.00 0.0 M M M
11/22/2018 7:00 AM 0.00 0.0 M M M
11/23/2018 7:00 AM 0.23 M M M M
11/24/2018 7:00 AM 0.08 M M M M
11/25/2018 7:00 AM 0.00 0.0 M M M
11/26/2018 7:00 AM 0.00 0.0 M M M
11/27/2018 7:00 AM 0.24 M M M M
11/28/2018 7:00 AM 0.08 M M M M
11/29/2018 7:00 AM 0.00 0.0 M 1.0 M
11/30/2018 7:00 AM 0.00 0.0 M M M
12/1/2018 7:00 AM 0.01 M M M M
12/2/2018 7:00 AM 0.00 0.0 M M M
12/3/2018 7:00 AM 0.00 0.0 M M M
12/4/2018 7:00 AM 0.00 0.0 M M M
12/5/2018 7:00 AM 0.00 0.0 M M M
12/6/2018 7:00 AM 0.00 0.0 M M M
12/7/2018 7:00 AM 0.00 0.0 M M M
12/8/2018 7:00 AM 0.00 0.0 M M M
12/9/2018 7:00 AM 0.00 0.0 M M M
12/10/2018 7:00 AM 0.12 1.5 0.12 1.5 0.12
12/11/2018 7:00 AM 0.34 4.0 0.34 8.0 M
12/12/2018 7:00 AM 0.00 0.0 M M M
12/13/2018 7:00 AM 0.00 0.0 M M M
12/14/2018 7:00 AM T T M M M
12/15/2018 7:00 AM T T M 6.0 M
12/16/2018 7:00 AM 0.63 4.0 M 9.5 M 4 inches of snow, 10pm to 7 am; moderate snow continues
12/17/2018 7:00 AM 0.05 1.0 M M M
12/18/2018 7:00 AM 0.53 0.5 M 8.5 M Includes rain, sleet, and snow
12/20/2018 7:00 AM 0.15 0.5 0.15 M M rain with some snow mixed
12/21/2018 7:00 AM 0.25 M M M M sleet and rain
12/22/2018 7:00 AM 0.00 0.0 M M M
12/23/2018 9:00 AM 0.18 1.7 0.18 9.5 M
12/26/2018 7:00 AM 0.08 0.9 0.08 9.5 M
12/27/2018 7:00 AM 0.07 0.7 M 10.0 M
12/28/2018 7:00 AM 0.08 1.2 0.08 9.5 M
12/29/2018 7:00 AM T T M 9.5 M
12/30/2018 7:00 AM 0.17 M M 9.5 M Freezing rain
12/31/2018 7:00 AM 0.00 0.0 M M M
1/1/2019 7:00 AM 0.00 0.0 M M M
1/2/2019 7:00 AM 0.00 0.0 M M M
1/3/2019 7:00 AM 0.14 1.8 0.14 11.5 M
1/4/2019 7:00 AM 0.20 1.9 0.20 13.2 M
1/5/2019 7:00 AM 0.00 0.0 M M M
1/6/2019 7:00 AM 0.21 2.0 0.21 15.5 M snow
1/7/2019 7:00 AM 0.00 0.0 M M M
1/8/2019 7:00 AM 0.00 0.0 M M M
1/9/2019 8:00 AM 0.32 3.6 0.32 18.0 M snow
1/10/2019 7:00 AM 0.00 0.0 M M M
1/11/2019 7:00 AM 0.00 0.0 M M M
1/12/2019 7:00 AM 0.00 0.0 M M M
1/13/2019 7:00 AM 0.00 0.0 M M M
1/14/2019 7:00 AM 0.00 0.0 M M M
1/15/2019 7:00 AM 0.00 0.0 M M M
1/16/2019 7:00 AM 0.00 0.0 M M M
1/17/2019 7:00 AM 0.31 2.7 0.31 17.0 M 2.7 snow and sleet - the sleet layer was about ¼ inch thick
1/18/2019 7:00 AM 0.01 0.2 0.01 17.0 M
1/19/2019 7:00 AM 0.41 2.4 0.41 18.0 M Wet snow, likely mixed with rain
1/20/2019 7:00 AM 0.00 0.0 M M M
1/21/2019 7:00 AM 0.00 0.0 M M M
1/22/2019 7:00 AM 0.00 0.0 M M M
1/23/2019 7:00 AM 0.52 12.2 0.52 28.0 M precipitation reported is melted snow
1/24/2019 7:00 AM 0.00 0.0 M M M
1/25/2019 7:00 AM 0.00 0.0 M M M
1/26/2019 7:00 AM 0.00 0.0 M M M
1/27/2019 7:00 AM 0.00 0.0 M M M
1/28/2019 7:00 AM 0.00 0.0 M M M
1/29/2019 7:00 AM 0.00 0.0 M M M
1/30/2019 7:00 AM 0.00 0.0 M M M
1/31/2019 7:00 AM 0.00 0.0 M M M
2/1/2019 7:00 AM 0.00 0.0 M M M
2/2/2019 7:00 AM 0.00 0.0 M M M
2/3/2019 7:00 AM 0.00 0.0 M M M
2/4/2019 7:00 AM T T M M M
2/5/2019 7:00 AM 0.00 0.0 M M M
2/6/2019 7:00 AM 0.00 0.0 M M M
2/7/2019 7:00 AM 0.00 0.0 M M M
2/8/2019 7:00 AM 0.00 0.0 M M M
2/9/2019 7:00 AM 0.21 3.1 0.21 23.7 M 3.1 inches of snow
2/10/2019 7:00 AM 0.00 0.0 M M M
2/11/2019 7:00 AM 0.14 2.2 0.14 24.5 M 0.14 as snow
2/12/2019 7:00 AM 0.25 2.8 0.25 27.2 M 0.25 as snow
2/13/2019 7:00 AM 0.00 0.0 M M M
2/14/2019 7:00 AM 0.58 3.5 0.58 27.6 M 0.58 as snow; blowing and drifting snow
2/15/2019 7:00 AM 0.00 0.0 M M M
2/16/2019 7:00 AM 0.00 0.0 M M M
2/17/2019 7:00 AM 0.00 0.0 M M M
2/18/2019 7:00 AM 0.00 0.0 M M M
2/19/2019 7:00 AM 0.00 0.0 M M M
2/20/2019 7:00 AM 0.00 0.0 M M M
2/21/2019 7:00 AM 0.00 0.0 M M M
2/22/2019 7:00 AM 0.01 T M 25.1 M snow
2/23/2019 7:00 AM 0.00 0.0 M M M
2/24/2019 7:00 AM 0.00 0.0 M M M
2/25/2019 7:00 AM 0.00 0.0 M M M
2/26/2019 7:00 AM 0.00 0.0 M M M
2/27/2019 7:00 AM T T M 24.8 M
2/28/2019 7:00 AM 0.11 2.5 0.11 26.8 M 2.5 inches of snow
3/1/2019 7:00 AM 0.00 0.0 M M M
3/2/2019 7:00 AM 0.00 0.0 M M M
3/3/2019 7:00 AM 0.05 2.5 0.05 26.1 M 0.05 in fell as snow, very "fluffy"
3/4/2019 7:00 AM 0.00 0.0 M M M
3/5/2019 7:00 AM 0.00 0.0 M M M
3/6/2019 7:00 AM 0.04 0.7 0.04 26.4 M 0.7 in snow
3/7/2019 7:00 AM 0.25 3.0 0.25 29.0 M 3 in snow
3/8/2019 7:00 AM 0.00 0.0 M M M
3/9/2019 7:00 AM 0.00 0.0 M 29.0 6.31
3/10/2019 7:00 AM 0.00 0.0 M M M
3/12/2019 7:00 AM T T M M M Trace of snow
3/13/2019 7:00 AM 0.04 0.5 0.04 26.5 M 0.5 in snow
3/14/2019 7:00 AM 0.00 0.0 M 25.8 M
3/15/2019 7:00 AM 0.00 0.0 M 25.2 M
3/16/2019 7:00 AM 0.00 0.0 M 25.1 M
3/17/2019 7:00 AM 0.00 0.0 M 23.6 M
3/18/2019 7:00 AM 0.00 0.0 M 22.1 M
3/19/2019 7:00 AM 0.00 0.0 M 20.1 M
3/20/2019 7:00 AM 0.00 0.0 M 19.3 M
3/21/2019 7:00 AM 0.00 0.0 M 19.3 M
3/22/2019 7:00 AM 0.00 0.0 M 17.4 M
3/23/2019 7:00 AM 0.00 0.0 M 17.4 M
3/24/2019 7:00 AM 0.00 0.0 M 16.5 M
3/25/2019 7:00 AM 0.20 M M 14.2 M
3/26/2019 7:00 AM 0.15 M M 12.5 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/11/2018 12/12/2018 7:00 AM 2 0.35 8.5 0.48 Snow between 4am 12/11 to 7pm 12/11



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