Friday, January 19, 2018

CoCoRaHS Weather Year

Starts October 1st through the following September 30th. We are at 16 weeks out of 52 or 30.8%.

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.
2018 =  4 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.

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     37*       Overcast & calm.

Thu   38*       Overcast & calm.
                      -0- inches of snow on ground.
Wed  35  39   Overcast & calm.
                      Precip. = .19
                     1/2  inch of snow on ground.
Tue  32  38   Light rain all day long.
                     Precip. = .27
                     1  inch of snow on ground.
Mon  31  36 Mostly overcast & calm.
                    Day 4 w/o precipitation/SWE.
                    2  inches of snow on ground.
Sun  29  35 Overcast & calm.
                    Day 3 w/o precipitation/SWE.
                    3  inches of snow on ground.
Sat  30  34  Overcast & Calm.
                    Day 2 w/o precipitation/SWE.
                    3 1/2  inches of snow on ground.
Fri  25  32    Mostly cloudy. Calm.
                    Day 1 w/o precipitation/SWE.

2017 March - May = 7.58 inches or 49.2%
April - May alone precip. = 5.89 inches or 39.4%
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%.
July - Oct. 2017 (4 mo.) = .67 inches on 13/123 days or 10.6%.

January Precipitation
8/17 = 47.1%
Precip. .86 + SWE of .45 = 1.31
Max. Precip. in 24 Hrs. = .27
Max. SWE in 24 Hrs. = .33
3 consecutive days w/o precip/swe.
January snowfall to date: 5.5 inches.

WA-OK-5 - 2018
(See January above.)

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.)
41/109 = 37.6% Precipitation/SWE.
Precip. of 4.20 + SWE of 1.27 = 5.47
Max. Precip. in a 24 Hr. period = .43
Max. 12 days in a row w/o precipitation. 
Max. SWE in a 24 Hr. period = .33 inches.
Total snowfall = 14.25 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:
January:    High  98.7 -  Low   2.5    Avg. =   32.5
Year 2018:  (See January above)
Year 2017*: High: 244.5 - Low:    .7  Avg. =   62.8
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

January:  COLD, snowy & also wet.    
March (2017):  Ice melted on the lake on 3/25.

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

2017-18 =  14.25  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, January 18, 2018

Photo of the month - January 2018
Snow and ice on the lake with a little fog & overcast.