Friday, February 23, 2018

Weather & Climate Data


Weather observation and data for
Oroville, WA and vicinity.

WSU - Ag Weather Network - East Oroville
Longest period with no precipitation:
2014 = 25 days
2015 = 34 days
2016 = 29 days
2017 = 103 days in to September.
2018 =  8 straight days w/o precipitation.

INFO: Weather data is observed and collected on
a "weather" year starting on October 1st thru
September 30th. This is the 2018 CoCoRaHS
Weather Year. We are at 18 weeks out of 52 or 34.6%.

CoCoRaHS weather data for WA-OK-5
Readings are usually taken at 6:00 a.m.

(Month Data page link above is updated daily.)

* = Value may be adjusted.

Fri     12*     Clear & Calm.
                    No snow on the ground.
Thu   12  33 Clear & Calm.
                    Day 1 w/o precipitation/SWE.
                    4/10 of Snow on ground.
Wed  10 22  Clear & calm. Light snowfall
                    late afternoon/early evening.
                    SWE. = .03
Tue   10  25 Clear & calm.
                    Day w/o precipitation/SWE.
Mon  15  31 Clear. High winds. COLD.
                    trace of snow on the ground.
                    Day 2 w/o precipitation/SWE.
Sun  24  33  Overcast. HIGH winds from the north.
                    No ice on the lake.
                    Day 1 w/o precipitation/SWE.
                   1/2 inch of snow on the ground.
Sat   30 35  Overcast & calm. Snowed from 
                   7:30 am to 2 p.m. Melted quickly
                   SWE = .09
                   1/2 inch of snow on the ground.
Fri    30  42 Tried to hail mid afternoon.
                   Precip. = .01 (melted hail)

July - Sept.  2017 =    .11 inches on  5/92 days or 5.4%.
July - Sept.  2016 = 1.42 inches on 15/92 days or 16.3%.

PRECIP SUMMARY:  - SNOWFALL SUMMARY:
Feb.        =   .62             Feb.        =    1.30
2018       = 3.98             2018       =  10.80
2017-18  = 8.14             2017-18  =  19.45

February Precipitation
9/21 = 42.9%
Precip. .46 + SWE of .16 = .62
Max. Precip. in 24 Hrs. = .18
Max. SWE in 24 Hrs. = .09
7 consecutive days w/o precip/swe.
Febrary snowfall to date: 1.30 of an inch.

WA-OK-5 - 2018
25/52 = 48.1%
Precip. 2.81 + SWE of 1.17 = 3.98
Max. Precip. in 24 Hrs. = .12
Max. SWE in 24 Hrs. = .09
7 consecutive days w/o precip/swe.
2018 snowfall to date: 10.80 inches.

WA-OK-5 - 2017
106/365 = 29.0%
Precip. of 12.30  & SWE of 2.24 = 14.54
31 days in a row w/o precip./swe.
Max. Precip. in 24 Hrs. = .93
Max. SWE in 24 Hrs. = .39
Snowfall = 24.65 inches.

WA-OK-5 - 2016
118/366 = 32.2%
Precip. & SWE = 13.50 + 1.25 = 14.75
Max. Precip. in 24 Hrs. = .60
Max. SWE in 24 Hrs. = .31
The 3rd wettest year in the past 17.

CoCoRaHS 2017-18 /Precip. Year 2018 (Oct.-Sept.)
58/144 = 40.3% Precipitation/SWE.
Precip. of 6.15 + SWE of 1.99 = 8.14
Max. Precip. in a 24 Hr. period = .65
Max. 12 days in a row w/o precipitation. 
Max. SWE in a 24 Hr. period = .33 inches.
Total snowfall = 19.45 inches

CoCoRaHs 2016-17 /Precip. Year 2017 (Oct.-Sept.)
118/365 = 32.3%  Precipitation/SWE.
Precip. of 13.72 + SWE of 1.79 = 15.51
Max. Precip. in a 24 Hr. period = .93 inches.
Max. 31 days in a row w/o precipitation. 
Max. SWE in a 24 Hr. period = .21 inches.
Total snowfall = 26.1 inches or 66.29 CM

CoCoRaHS 2015-16 /Precip Year 2016 (Oct.-Sept.)
Yearly: 13.49 + 1.89 = 15.38
109/366 = 29.8%  Precipitation/SWE.

CoCoRaHS 2014-15 /Precip Year 2015 (Oct.-Sept.)
Yearly: 10.32 + 2.09 = 12.41
88/365 = 24.1% Precipitation/SWE.
                 
CoCoRaHs 2013-14 /Precip Year 2014 (Oct.-Sept.)
Yearly: 8.30 + 21.27 = 9.57

WSU-AWN WINDRUN: (NOTE: Data has been
revised as per new info from WSU/AWN)
Febuary:    High 328.9 -  Low  62.6  Avg. =  132.8
Year 2018: High  328.9 - Low     2.5 Avg. =    82.7
Year 2017: High: 244.5 - Low:    .7  Avg. =   62.8 xx
Year 2016: High: 249.4 - Low:  9.9  Avg. =   89.5
Year 2015: High: 375.2 Low: 20.8  Avg. = 101.4
Year 2014: High: 354.1 - Low: 16.2. Avg. = 104.3
Year 2013: High: 259.2 - Low: 21.6. Avg. =   98.3
Year 2012: High: 231.7 - Low: 18.9. Avg. =   97.9
Year 2011: High: 286.3 - Low: 38.0. Avg. = 105.5

February:  Ice melted on the lake on 2/9/18 & reformed 2/19/18.
March (2017):  Ice melted on the lake on 3/25.

Snowfall:
Regular snowfall readings are taken from
October 1st through March 31st.

2017-18 =  19.45  inches to date.
2016-17 =  26.1    inches.
2015-16 = 19.2     inches
2014-15 =   9.9     inches.
(For more data - see Precipitation Page above.)

Thursday, February 22, 2018

Photo of the month - February 2018
Snowfall covers new ice.