WSU-Ag Weather Network - E. Oroville, WA, Station
Maximum snowfall of 20.55 inches.
Longest period of consecutive days w/o Precip.
2016 = 29 days
2017 = 103 days
2018 = 74 days
2019 = 78 days
2020 = 29 days
2021 = 36 days
2022 = 42 days
CoCoRaHS - WA-OK-5 Weather Data
for Oroville WA at 950 feet above sea level.
48.57 N 119.26 W
Readings are usually taken at 6:30 a.m.
A weather year starts Oct. 1st - Sept. 30th.
This is the 22-23 Weather Year.
May 2024 Precipitation
0/3 = 0.00% = .00+ .00 = .00
Max. Precip./swe in 24 Hrs. = .00
Most at 3 days w/o precipitation/swe. 4 days o/a.
CoCoRaHs - 2024 Weather Year (Oct.-Sept.)
97/216 = 44.9% = 7.00 + 155 = 8.55
Max. Precip/SWE in 24 Hrs. = .74 max. SWE = .76
Total snowfall for the period = 12.7 inches.
Most at 18 consecutive days w/o precipitation.
CoCoRaHs - 2023 Weather Year (Oct.-Sept.)
97/365 = 23.1% - 9.21 + 3.34 = 12.55
O/A High 98 - Low - 5 degrees F.
Max. Precip in 24 Hrs. = .58 Max SWE = 1.41
Most at 25 consecutive days w/o precip.
Total snowfall for the period = 32.10 inches.
All ice melted off the lake by 3/23/23.
CoCoRaHs - 2022 Weather Year (Oct.-Sept.)
115/365 = 31.5% - 10.10 + 3.57 = 13.67
O/A High 99 - Low 0 degrees
Max Precip. in 24 Hrs. = .95
Most at 32 consecutive days w/o precip/swe.
Lake froze over on 12/27/21 and
broke up on 3/20/22.
3.57 SWE or 30.75 inches of snowfall.
CoCoRaHs - 2021 Weather Year (Oct.-Sept.)
98/365 = 26.8%. = 10.70 + 1.70 = 12.40
O/A High 109 - Low 10 degrees.
Max. Precip. in 24 Hrs. = .58
Most at 35 consecutive days w/o precip.
1.70 SWE or 14.80 in. of snowfall.
CoCoRaHs - 2020 Weather Year (Oct.-Sept.)
111/366 = 30.3%
Precip. = 8.54 + SWE 2.73 = 11.27
Max Precip. in. 24 Hrs. = .30 x 2
Total Snowfall = 29.8 inches.
Most at 20 consecutive days w/o precip/swe.
CoCoRaHs - 2019 Weather Year (Oct.-Sept.)
100/365 = 33.0%
Precip. = 8.83 + 2.66 SWE = 11.49
Total Snowfall: 25.80 inches.
CoCoRaHs - 2017-18 (Oct.-Sept.)
109/365 = 29.9% Precipitation/SWE.
Precip. of 13.73 + SWE of 2.06 = 15.79
Precip. of 13.73 + SWE of 2.06 = 15.79
Total snowfall = 20.55 inches.
CoCoRaHs 2016-17 (Oct.-Sept.)
Yearly: 13.72 + SWE of 1.79 = 15.51
118/365 = 32.3% Precip/SWE.
CoCoRaHs 2015-16 (Oct.-Sept.)
Yearly: 13.49 + 1.89 = 15.38
109/366 = 29.8% Precipitation/SWE.
Yearly: 13.49 + 1.89 = 15.38
109/366 = 29.8% Precipitation/SWE.
CoCoRaHs 2014-15 (Oct.-Sept.)
Yearly: 10.32 + 2.09 = 12.41
88/365 = 24.1% Precipitation/SWE.
CoCoRaHs 2013-14 (Oct.-Sept.)
Yearly: 8.30 + 21.27 = 29.57
Yearly: 10.32 + 2.09 = 12.41
88/365 = 24.1% Precipitation/SWE.
CoCoRaHs 2013-14 (Oct.-Sept.)
Yearly: 8.30 + 21.27 = 29.57
2022: Ice melted on the lake on 3/20/22.
2020-2021: Ice was on the lake thru early March.
March: Ice melted on the lake in 2020/2021.
Ice melted on the lake (again) 3/17/18.
Ice melted on the lake on 3/25/17.
February: Ice melted on the lake on 2/9/18 &
reformed 2/19/18.
February: Ice melted on the lake on 2/9/18 &
reformed 2/19/18.
Precipation Rates:
2020 -21 = 26.8% Average = 29.4%
2019 -20 = 30.3%
2018 -19 = 33.0%
2017 -18 =
2016 -17 = 32.3%
2015 -16 = 29.8%
2014 -15 = 24.1%
2017 -18 =
2016 -17 = 32.3%
2015 -16 = 29.8%
2014 -15 = 24.1%
Snowfall:
Regular snowfall readings are taken from
October 1st through March 31st.
2020 -21 = 14.80 inches to date.
2019 -20 = inches
2018 -19 = inches
2017 -18 = 20.55 inches.
2016 -17 = 26.1 inches.
2015 -16 = 19.2 inches
2014 -15 = 9.9 inches.
(For more data - see Precipitation Page above.)
2016 -17 = 26.1 inches.
2015 -16 = 19.2 inches
2014 -15 = 9.9 inches.
(For more data - see Precipitation Page above.)
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