Station Overview Station Location
Station Number WA-OK-20 Latitude 48.551951
Station Name Winthrop 5.5 N Longitude -120.190472
County Okanogan Elevation (ft) 2079



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 15 1.24 0.75 31 0.16 5 0.59 26 1 2 0 0.0 0 0
Nov 15 2.69 2.77 30 0.00 5 2.77 25 1 0 0 0.0 0 0
Dec 15 3.51 4.32 31 0.12 5 4.20 26 1 2 0 3.0 2 2
Jan 16 3.20 1.34 31 1.34 17 0.00 14 0 10 1 19.9 8 4
Feb 16 2.09 2.56 29 0.95 7 1.61 22 1 5 0 0.2 1 0
March 16 1.49 2.46 15 0.51 4 1.95 11 1 3 0 2.6 2 1
April 16 0.82 0.01 9 0.01 9 0.00 0 0 1 1 0.0 0 0
May 16 1.13 0.00 31 0.00 2 0.00 29 0 0 0 0.0 0 0
June 16 1.22 0.37 30 0.00 11 0.37 19 1 0 0 0.0 0 0
July 16 0.76 0.00 31 0.00 5 0.00 26 0 0 0 0.0 0 0
Aug 16 0.48 0.75 31 0.00 17 0.75 14 1 0 0 0.0 0 0
Sept 16 0.55 0.17 30 0.02 6 0.15 24 1 1 0 0.0 0 0
Water Year Totals: 19.18" 15.50" 329 days 3.11" 93 12.39" 236 days 8 24 days 2 days 25.7" 13 days 7 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
10/1/2015 **
10/2/2015 **
10/3/2015 **
10/4/2015 **
10/5/2015 **
10/6/2015 **
10/7/2015 **
10/8/2015 **
10/9/2015 **
10/10/2015 **
10/11/2015 **
10/12/2015 **
10/13/2015 **
10/14/2015 **
10/15/2015 **
10/16/2015 **
10/17/2015 **
10/18/2015 **
10/19/2015 **
10/20/2015 **
10/21/2015 **
10/22/2015 **
10/23/2015 0.59
10/24/2015 0.00
10/25/2015 0.00
10/26/2015 0.15
10/27/2015 0.01
10/28/2015 0.00
10/29/2015 **
10/30/2015 **
10/31/2015 **
11/1/2015 **
11/2/2015 **
11/3/2015 **
11/4/2015 **
11/5/2015 **
11/6/2015 **
11/7/2015 **
11/8/2015 **
11/9/2015 **
11/10/2015 **
11/11/2015 **
11/12/2015 **
11/13/2015 **
11/14/2015 **
11/15/2015 **
11/16/2015 **
11/17/2015 **
11/18/2015 **
11/19/2015 **
11/20/2015 **
11/21/2015 **
11/22/2015 **
11/23/2015 **
11/24/2015 2.77
11/25/2015 0.00
11/26/2015 0.00
11/27/2015 0.00
11/28/2015 0.00
11/29/2015 0.00
11/30/2015 **
12/1/2015 **
12/2/2015 **
12/3/2015 **
12/4/2015 **
12/5/2015 **
12/6/2015 **
12/7/2015 **
12/8/2015 **
12/9/2015 **
12/10/2015 **
12/11/2015 **
12/12/2015 **
12/13/2015 **
12/14/2015 **
12/15/2015 **
12/16/2015 **
12/17/2015 **
12/18/2015 **
12/19/2015 **
12/20/2015 **
12/21/2015 **
12/22/2015 **
12/23/2015 **
12/24/2015 **
12/25/2015 **
12/26/2015 4.20
12/27/2015 0.05
12/28/2015 0.07
12/29/2015 0.00
12/30/2015 0.00
12/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2016 0.00
1/2/2016 0.00
1/3/2016 0.00
1/4/2016 0.35
1/5/2016 0.13
1/6/2016 0.21
1/7/2016 0.03
1/8/2016 0.01
1/9/2016 0.01
1/10/2016 0.00
1/11/2016 0.00
1/12/2016 T
1/13/2016 0.29
1/14/2016 0.03
1/15/2016 0.00
1/16/2016 0.18
1/17/2016 0.10
1/18/2016 **
1/19/2016 **
1/20/2016 **
1/21/2016 **
1/22/2016 **
1/23/2016 **
1/24/2016 **
1/25/2016 **
1/26/2016 **
1/27/2016 **
1/28/2016 **
1/29/2016 **
1/30/2016 **
1/31/2016 **
2/1/2016 **
2/2/2016 **
2/3/2016 **
2/4/2016 **
2/5/2016 **
2/6/2016 **
2/7/2016 **
2/8/2016 **
2/9/2016 **
2/10/2016 **
2/11/2016 **
2/12/2016 **
2/13/2016 1.61
2/14/2016 0.07
2/15/2016 0.06
2/16/2016 0.11
2/17/2016 0.00
2/18/2016 0.56
2/19/2016 0.00
2/20/2016 0.15
2/21/2016 **
2/22/2016 **
2/23/2016 **
2/24/2016 **
2/25/2016 **
2/26/2016 **
2/27/2016 **
2/28/2016 **
2/29/2016 **
3/1/2016 **
3/2/2016 **
3/3/2016 **
3/4/2016 **
3/5/2016 **
3/6/2016 **
3/7/2016 **
3/8/2016 **
3/9/2016 **
3/10/2016 **
3/11/2016 1.95
3/12/2016 0.16
3/13/2016 0.01
3/14/2016 0.34
3/15/2016 0.00
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016
3/21/2016
3/22/2016
3/23/2016
3/24/2016
3/25/2016
3/26/2016
3/27/2016
3/28/2016
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016
4/9/2016
4/10/2016
4/11/2016
4/12/2016
4/13/2016
4/14/2016
4/15/2016
4/16/2016
4/17/2016
4/18/2016
4/19/2016
4/20/2016
4/21/2016
4/22/2016 0.00
4/23/2016 0.00
4/24/2016 0.00
4/25/2016 T
4/26/2016 0.00
4/27/2016 0.00
4/28/2016 0.00
4/29/2016 0.01
4/30/2016 0.00
5/1/2016 0.00
5/2/2016 0.00
5/3/2016 **
5/4/2016 **
5/5/2016 **
5/6/2016 **
5/7/2016 **
5/8/2016 **
5/9/2016 **
5/10/2016 **
5/11/2016 **
5/12/2016 **
5/13/2016 **
5/14/2016 **
5/15/2016 **
5/16/2016 **
5/17/2016 **
5/18/2016 **
5/19/2016 **
5/20/2016 **
5/21/2016 **
5/22/2016 **
5/23/2016 **
5/24/2016 **
5/25/2016 **
5/26/2016 **
5/27/2016 **
5/28/2016 **
5/29/2016 **
5/30/2016 **
5/31/2016 **
6/1/2016 **
6/2/2016 **
6/3/2016 **
6/4/2016 **
6/5/2016 **
6/6/2016 **
6/7/2016 **
6/8/2016 **
6/9/2016 **
6/10/2016 **
6/11/2016 **
6/12/2016 **
6/13/2016 **
6/14/2016 **
6/15/2016 **
6/16/2016 **
6/17/2016 **
6/18/2016 **
6/19/2016 0.37
6/20/2016 0.00
6/21/2016 0.00
6/22/2016 0.00
6/23/2016 0.00
6/24/2016 0.00
6/25/2016 0.00
6/26/2016 0.00
6/27/2016 0.00
6/28/2016 0.00
6/29/2016 0.00
6/30/2016 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2016 0.00
7/2/2016 0.00
7/3/2016 0.00
7/4/2016 0.00
7/5/2016 0.00
7/6/2016 **
7/7/2016 **
7/8/2016 **
7/9/2016 **
7/10/2016 **
7/11/2016 **
7/12/2016 **
7/13/2016 **
7/14/2016 **
7/15/2016 **
7/16/2016 **
7/17/2016 **
7/18/2016 **
7/19/2016 **
7/20/2016 **
7/21/2016 **
7/22/2016 **
7/23/2016 **
7/24/2016 **
7/25/2016 **
7/26/2016 **
7/27/2016 **
7/28/2016 **
7/29/2016 **
7/30/2016 **
7/31/2016 **
8/1/2016 **
8/2/2016 **
8/3/2016 **
8/4/2016 **
8/5/2016 **
8/6/2016 **
8/7/2016 **
8/8/2016 **
8/9/2016 **
8/10/2016 0.75
8/11/2016 0.00
8/12/2016 0.00
8/13/2016 0.00
8/14/2016 0.00
8/15/2016 0.00
8/16/2016 0.00
8/17/2016 0.00
8/18/2016 0.00
8/19/2016 0.00
8/20/2016 0.00
8/21/2016 0.00
8/22/2016 0.00
8/23/2016 0.00
8/24/2016 0.00
8/25/2016 0.00
8/26/2016 0.00
8/27/2016 0.00
8/28/2016 **
8/29/2016 **
8/30/2016 **
8/31/2016 **
9/1/2016 **
9/2/2016 **
9/3/2016 **
9/4/2016 **
9/5/2016 **
9/6/2016 **
9/7/2016 **
9/8/2016 **
9/9/2016 **
9/10/2016 **
9/11/2016 **
9/12/2016 **
9/13/2016 **
9/14/2016 **
9/15/2016 **
9/16/2016 **
9/17/2016 0.15
9/18/2016 0.02
9/19/2016 0.00
9/20/2016 0.00
9/21/2016 0.00
9/22/2016 0.00
9/23/2016 0.00
9/24/2016 **
9/25/2016 **
9/26/2016 **
9/27/2016 **
9/28/2016 **
9/29/2016 **
9/30/2016 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/24/2015 7:00 AM 0.00 0.0 M M M At 31.9 F, first sub-freezing temperature of this fall. High stratus overcast.
10/25/2015 7:00 AM 0.00 0.0 M M M 35 F and partly clouds.
10/26/2015 6:30 AM 0.15 M M M M snow level 6000-6500 feet.
10/27/2015 7:00 AM 0.01 M M M M
10/28/2015 7:00 AM 0.00 0.0 M M M
11/25/2015 7:00 AM 0.00 0.0 M M M
11/26/2015 7:00 AM 0.00 0.0 M M M
11/27/2015 7:00 AM 0.00 0.0 M M M
11/28/2015 7:00 AM 0.00 0.0 M M M Temperature 8 F and clear.
11/29/2015 7:00 AM 0.00 0.0 M M M 7 F with valley fog visible to the south.
12/27/2015 7:00 AM 0.05 1.0 M 18.0 M
12/28/2015 7:00 AM 0.07 2.0 0.07 19.5 M 19 F with broken clouds
12/29/2015 7:00 AM 0.00 0.0 M M M 17 F now, rebounding from about 10 F at 3am.
12/30/2015 7:00 AM 0.00 0.0 M M M 10 F and clear.
12/31/2015 7:00 AM 0.00 0.0 M M M 1 F after a low of -0.2
1/1/2016 7:00 AM 0.00 0.0 M M M Temp -1, after a low of -4 overnight. Another gorgeous day!
1/2/2016 7:00 AM 0.00 0.0 M M M -2 F after an overnight low of -6
1/3/2016 7:00 AM 0.00 0.0 M M M Temperature 0 F after an overnight low of -3 F. Stratus cloud deck visible to south, over the Sawtooths by Lake Chelan. Clear skies in the Methow Valley.
1/4/2016 7:00 AM 0.35 5.0 0.35 21.5 M snowing at time of observation. Temperature 20 F, with overnight low of 16. Snow light and fluffy, can sweep off with a broom.
1/5/2016 7:00 AM 0.13 2.5 0.13 22.0 M snowing very lightly at time of observation. Temperature 25.5 F.
1/6/2016 7:00 AM 0.21 2.5 0.21 M M some freezing drizzle for a few minutes around 1pm 1/5/16
1/7/2016 7:00 AM 0.03 M M M M light drizzle/mist fell for a few hours in the early evening. Temperature steady at 34 F overnight. Partly cloudy this morning.
1/8/2016 7:00 AM 0.01 M M M M 31.9 F. Finally dropped below 32 after two days of temps 34-38. Midlevel clouds. Forecast has been totally off since Tuesday. (was supposed to be clear and 19 F this morning).
1/9/2016 7:00 AM 0.01 0.1 0.01 18.5 M Temp remained at 32.5-32.7 overnight. Forecast has been totally off. Was supposed to be H of mid 20s, L in low teens (each day since Wednesday).
1/10/2016 7:00 AM 0.00 0.0 M M M Temp 25 F, windy. Can also find me at Wunderground. Winthrop, WA. Station ID: West Chewuch KWAWINTH24 Station just set up 1/9 PM.
1/11/2016 7:00 AM 0.00 0.0 M M M Temp 24 F. Wind gust 25 mph overnight. 1/10: cloudy all day with solid stratus deck at 4300 feet ( I know this exactly since I was backcountry skiing, and we climbed into the fog). But, it was all sun to the north in the Pasayten Wilderness.
1/12/2016 7:00 AM T T T M M Temp 22 F. Winter storm watch today and tonight for several inches of new snow.
1/13/2016 7:00 AM 0.29 4.5 0.29 M M
1/14/2016 7:00 AM 0.03 0.4 0.03 M M
1/15/2016 7:00 AM 0.00 0.0 M M M 9 F overnight low. Clear skies.
1/16/2016 8:00 AM 0.18 2.2 0.18 29.0 M moderate snow at time of observation. 23 F.winter storm warning in effect.
1/17/2016 7:00 AM 0.10 2.7 0.10 M M moderate snow at time of obs. 29.5 F.
2/14/2016 7:00 AM 0.07 M M M M 32 F and clear, below a thin stratus cloud deck. Precip fell as rain. Temp was 34 F at the time.
2/15/2016 7:25 AM 0.06 M M M M light rain at time of observation. 37 F. Consistent stratus cloud deck, with valley fog visible to south.
2/16/2016 7:00 AM 0.11 M M M M 33 F, clear overhead. Stratus cloud deck visible to south. Overnight low 33 F.
2/17/2016 7:00 AM 0.00 0.0 M M M 33 F, mostly cloudy. Stratus cloud deck. 2/16: high temp 48 F, low 33 F, and sunny. Temp has not dropped below 32 F since 2/14 (and then it only dropped to 31.5 F).
2/18/2016 7:00 AM 0.56 M M M M 34.5 F and cloudy. Light drizzle 0.15 inches rain fell from 942-1017pm 2/17/16
2/19/2016 7:00 AM 0.00 0.0 M M M 32.5 F, overnight low 31.5 (first time in five days temp has dropped below 32). Either fog or snow visible to south (3-4 miles away).
2/20/2016 7:00 AM 0.15 0.2 0.02 M M 27 F and clear. First real clear day in over a week. Received 0.2 inches snow early,then turned to 35 F rain. :-(
3/12/2016 7:00 AM 0.16 M M M M dense fog: 1 mile visibility. Cloud ceiling about 3000 feet. Snow level 3/11 was 2500 ft (this station is at 2100). Several inches snow fell above 3000 ft (we skied in it)
3/13/2016 7:00 AM 0.01 0.1 0.01 M M 32 F and cloudy
3/14/2016 7:00 AM 0.34 2.5 0.34 0.5 M precip began as mist early on 3/13, then changed to snow. 6-8 inches snow fell above 3000 feet.
3/15/2016 7:00 AM 0.00 0.0 M M M 25 F and clear.
4/22/2016 7:00 AM 0.00 0.0 M M M Very smoky from prescribed burning at 8 mile.
4/23/2016 7:00 AM 0.00 0.0 M M M Very smoky from prescribed burning at 8 mile.
4/24/2016 7:00 AM 0.00 0.0 M M M valley smoke again. Overcast and 45 F.
4/25/2016 6:15 AM T M M M M 34 F and clear this morning. Lots of shower clouds 4/24 pm, but they were mostly virga.
4/26/2016 7:00 AM 0.00 0.0 M M M
4/27/2016 7:00 AM 0.00 0.0 M M M
4/28/2016 7:00 AM 0.00 0.0 M M M
4/29/2016 7:00 AM 0.01 M M M M Very smoky from prescribed burning. Valley looks like Beijing.
4/30/2016 7:00 AM 0.00 0.0 M M M 48 F, clear. Smoke in valley from Eight Mile slash burning.
5/1/2016 7:00 AM 0.00 0.0 M M M 46 F and clear. Light smoke in the valley from Eight Mile slash burning.
5/2/2016 6:45 AM 0.00 0.0 M M M 47 F and clear. Light smoke in valley from Eight Mile slash burning. (which is about three miles north of this location)
6/20/2016 7:00 AM 0.00 0.0 M M M
6/21/2016 7:00 AM 0.00 0.0 M M M
6/22/2016 7:00 AM 0.00 0.0 M M M
6/23/2016 7:00 AM 0.00 0.0 M M M
6/24/2016 7:00 AM 0.00 0.0 M M M
6/25/2016 7:00 AM 0.00 0.0 M M M
6/26/2016 7:00 AM 0.00 0.0 M M M
6/27/2016 7:00 AM 0.00 0.0 M M M
6/28/2016 7:00 AM 0.00 0.0 M M M
6/29/2016 7:00 AM 0.00 0.0 M M M
6/30/2016 7:00 AM 0.00 0.0 M M M
7/1/2016 7:00 AM 0.00 0.0 M M M
7/2/2016 7:00 AM 0.00 0.0 M M M
7/3/2016 7:00 AM 0.00 0.0 M M M
7/4/2016 7:00 AM 0.00 0.0 M M M Boulder Creek fire caused by fireworks. Dozens of plane and helicopter sorties from Patterson Lake. Fire about 5 acres, 2 miles from here. Now controlled.
7/5/2016 6:45 AM 0.00 0.0 M M M 49 F and mostly cloudy.
8/11/2016 7:00 AM 0.00 0.0 M M M
8/12/2016 7:00 AM 0.00 0.0 M M M
8/13/2016 7:00 AM 0.00 0.0 M M M
8/14/2016 7:00 AM 0.00 0.0 M M M
8/15/2016 7:00 AM 0.00 0.0 M M M
8/16/2016 7:00 AM 0.00 0.0 M M M
8/17/2016 7:00 AM 0.00 0.0 M M M
8/18/2016 6:45 AM 0.00 0.0 M M M 61 F now. High on 8/17 was 96 F. Forecast of cooler temps continues to be inaccurate.
8/19/2016 7:00 AM 0.00 0.0 M M M Cooled off to 55 F this morning. High 8/18 was 94 F.
8/20/2016 7:00 AM 0.00 0.0 M M M 55 F and clear. High on 8/19 was 88 F. Warmer temps expected today, then cooling on Sunday.
8/21/2016 7:00 AM 0.00 0.0 M M M high on 8/20 was 95 F. Today should be cooler.
8/22/2016 7:00 AM 0.00 0.0 M M M 51 F low this morning, after high of 87 F on 8/21. Cooler temps expected today.
8/23/2016 7:00 AM 0.00 0.0 M M M 51 F and clear.
8/24/2016 7:00 AM 0.00 0.0 M M M 56 F and sunny
8/25/2016 7:00 AM 0.00 0.0 M M M sunny at 56 F at 7 am. Yesterday's high 86 F.
8/26/2016 7:00 AM 0.00 0.0 M M M another warm day expected, with highs around 90 F.
8/27/2016 7:00 AM 0.00 0.0 M M M 60 F and clear.
9/18/2016 7:00 AM 0.02 M M M M 48 F and clear.
9/19/2016 7:00 AM 0.00 0.0 M M M
9/20/2016 7:00 AM 0.00 0.0 M M M
9/21/2016 7:00 AM 0.00 0.0 M M M
9/22/2016 7:00 AM 0.00 0.0 M M M
9/23/2016 7:00 AM 0.00 0.0 M M M 49 F. A spectacular sunrise! wish I could upload pics here too. Amazing colors.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/20/2015 10/23/2015 1:00 PM 34 0.59 M M
10/29/2015 11/24/2015 7:00 AM 27 2.77 M M
11/30/2015 12/26/2015 7:00 AM 27 4.20 18.0 M
1/18/2016 2/13/2016 7:00 AM 27 1.61 M M 34 F and dense fog. Visibility ~200 yards
2/21/2016 3/11/2016 7:00 AM 20 1.95 M M About 1.10 inches of this fell on 3/9, according to my weather station.
5/3/2016 6/19/2016 7:00 AM 48 0.37 M M
7/6/2016 8/10/2016 7:00 AM 36 0.75 M M
8/28/2016 9/17/2016 5:00 PM 21 0.15 M M
9/24/2016 10/16/2016 12:45 PM 23 1.19 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