Monday, March 27, 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 = ? days.

INFO: Weather data is observed and collected on
a "weather" year starting on October 1st thru
September 30th.

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

Daily weather info posted on the monthly page.
(See this month's data page link above.)

* = Value may be adjusted.

Mon 42*      Drizzling
                   Precip. to 6:00 a.m. = .05
Sun 33  44  Calm. Drizzle late afternoon.
                   Precip. = .05
Sat  39  58  Mostly cloudy. South wind.
                   Ice broke up & meted on the lake.
                   Day 1 w/o SWE/Precip
Fri   41  46  Overast & calm. Raining.
                   Precip. = .30
Thu 38  56 Parrtly cloudy. Calm.
                  Day 1 w/o SWE/Precip.
Wed 41 50 Overcast. Calm. Drizzle in a.m.
                   Ice on the lake shifted to the west.
                   Precip. = .03
Tue  40 45  Overcast. Light air.
                   Precip. = .24
Mon 28 45  Clear & Calm. Ice still on the lake.
                   Cooled down a bit.
                   Day 2 w/o SWE/Precip.


March Precipitation
16/27 = 59.3%
Precip. of 1.35 & SWE of .19 = 1.54
2 days in a row w/o precip./swe.
Max. Precip. in 24 Hrs. = .26
Max. SWE in 24 Hrs. = .08
Snowfall to date: 3.5 inches.

WA-OK-5 - 2017
36/85b = 41.9% 
Precip. of 2.32 & SWE of 1.42 = 3.74
10 days in a row w/o precip./swe. 
Max. Precip. in 24 Hrs. = .31
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 2016-17 (Oct.-Sept.)
81/176 = 46.0%  Precipitation/SWE.
Precip. of 7.08 + SWE of 1.79 = 8.87
Max. Precip. in a 24 Hr. period = .60 inches.
Max. 8 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 (Oct.-Sept.)
109/366 = 29.8%  Precipitation/SWE.
Precip. of 13.49 + SWE of 1.91 = 15.38
                       or
CoCoRaHS 2014-15 (Oct.-Sept.)
Yearly: 10.32 + 2.09 = 12.41
                       or
CoCoRaHS 2013-14 (Oct.-Sept.)
Yearly: 8.30 + 21.27 = 9.57

WSU-AWN WINDRUN:
Mar:  (Partial Data: - High 111.1 - Low 12.1) = Avg. 54.9
Year 2017: High: 244.5 - Low:  12.1 Avg. =   88.6
Year 2016: High: 249.4 - Low:  9.9  Avg. =   99.3
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
* Some WSU wind run data is missing for 2017.

Monthly Condition:
March:   Ice melted on the lake on 3/25. Snowfall = 3.5 inches.
February:  Low to 10. High to 43. Heavy rain & flooding.
                2.8 inches of snow this month.
January: 6.5 inches of snow this month.
          Low temp record at -1 F. and 6 days later of 37.
December: Total snowfall = 9.2 inches/23.27 cm.
                    Highest windburn in 2016.
October: This month is the wettest in 2016.
August: 29 days in a row w/o precipitation.
March:  The wettest March including the past 2 years.
              Highest wind run of the year to date @ 235.6.

Snowfall and SWE (snow/water equivalent)
Regular snowfall readings are taken from
October 1st through March 31st.)
2016-17 =  26.1 inches or 66.29 cm to date. (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)


Saturday, March 25, 2017

Photo of the month - March 2017
Spring is coming. But we still have  ice
on the lake as late as 3/25/17.

Wednesday, December 14, 2016

Fall storm blew through mid-afternoon.