Saturday, October 21, 2017

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 consecutive days in to September.
            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.

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.

Sat     39*      Mostly cloudy. Light air.
Fri      43  60 Mostly cloudy. Calm.
                     Precip = .01
Thu    47  59 Mostly cloudy. Calm.
                     Precip. = .02
Wed   43 57  Partly cloudy. Some wind.
                     Day 1 w/o Precip.
Tue    44 66  Partly cloudy. WINDY!
                     Storms blowing through.
                     Precip. @ 10 a.m. = .02
Mon   46  64 Mostly cloudy. WINDY!
                     Day 3 w/o Precip.
Sun   35  62  Clear. Wind from the south. + cold.
                     Day 2 w/o Precip.
Sat    33  52  Clear, calm & sunny.
                     Day 1 w/o Precip.

March - May = 7.58 inches or 49.2%
April - May alone precip. = 5.89 inches or 39.4%
July - Sept. 2017 =    .11 inches of   5/92 days or   5.4%.
July - Sept.  2016 = 1.42 inches of 15/92 days or 16.3%.

July thru Oct. 20th = Precip. of .14 on 8/111 days or 7.2%

October Precipitation
4/20 = 20.0%
Precip. of .05+ SWE of 0.00 = .05
Max. Precip. in 24 Hrs. = .02
22 consecutive days w/o precip.

WA-OK-5 - 2017
77/293 = 26.3%
Precip. of 9.01 & SWE of 1.42 = 10.43
31 days in a row w/o precip./swe.
Max. Precip. in 24 Hrs. = .93
Max. SWE in 24 Hrs. = .39
Snowfall to date 16.9 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.)
4/20 = 20.0% Precipitation/SWE.
Precip. of .05 + SWE of 0.00 = .05
Max. Precip. in a 24 Hr. period = .02
Max. 12 days in a row w/o precipitation. 
Max. SWE in a 24 Hr. period = 0 inches.
Total snowfall = 00.0 inches or 0.00 CM

CoCoRaHs 2016-17 /Precip. Year 2017 (Oct.-Sept.)
118/363 = 32.5%  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
   # days out of 365 =   ?? %

WSU-AWN WINDRUN:
October:    High 108.8  - Low  11.9 Avg. =    53.2
Year 2017: High: 244.5 - Low: 10.1 Avg. =    66.8
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

October:  Cooling down & .02 of rain to date.
August: Smokey skies from forest fires. HOT & DRY!
July:    High temp at 99. 31 consecutive days w/o Precip.
April:  The rain came after 6 days w/o precip.
     .93 in one day. 3.80 inches of precip. for the month!
            The wettest month in the 2016-17 Weather year.
March:   Ice melted on the lake on 3/25.

Snowfall and SWE (snow/water equivalent)
Regular snowfall readings are taken from
October 1st through March 31st.

2017-18 =   0.0 inches to date.
2016-17 =  26.1 inches or 66.3 cm. (2)
2015-16 = 19.2 inches or 48.8 cm. (3)
2014-15 =   9.9 inches or 25.2 cm. (6)
2013-14 = 14.3 inches or 36.3 cm. (5)
2012-13 = 31.9 inches or 81.0 cm. (1)
2011-12 = 16.6 inches or 44.7 cm. (4)
2010-11 =   9.1 inches or 25.7 cm. (7)


3 comments:

Braxton Clemon said...

Great detail in daily weather information and climatial data.

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