Sunday, February 19, 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.

Sun  36          Overcast & Calm. Trying to rain.
                      Precip. = .02 to 6:00 a.m.
Sat   33   39  Overcast & trying to rain.
                      Precip. = ..06
Fri    33  45   Overcast. Light breeze.
                     Day 1 w/o SWE or Precip.
                     0 inches of snow on the ground.
Thu  36  42   Raining, melting snow & ice = 
                     major flooding. Precip = .31
Wed 31  40  Overcast & Raining.
                    1 inch of snow on the ground.
                    Precip. = .22
Tue 15  33   Clear, calm & COLD.
                    Day 5 w/o SWE or Precip.
                    Day 5 w/o SWE or Precip.
                    1 1/2 inches of snow on the ground.
Mon 17  36   Clear & calm.
                     Day 4 w/o SWE or Precip.
                    1 1/2 inches of snow on the ground.
Sun  23  34  Overcast. Light air.
                    Day 3 w/o SWE or Precip.


February Precipitation.
9/19 = 47.4%
Precip. of .62 & SWE of .42 = 1.04
5 days in a row w/o precip./swe.
Max. Precip. in 24 Hrs. = .22 ***
Max. SWE in 24 Hrs. = .22
Snowfall to date 5.8 inches. 

WA-OK-5 - 2017
17/50 = 34.0% 
Precip. of .88 & SWE of 1.20 = 2.08
10 days in a row w/o precip./swe. 
Max. Precip. in 24 Hrs. = .22
Max. SWE in 24 Hrs. = .39
Snowfall to date 12.3 inches. 

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

CoCoRaHS 2016-17 (Oct.-Sept.)
60/137 = 43.8%  Precipitation/SWE.
Precip. of 5.66 + SWE of 1.57 = 7.23
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 = 21.50 inches or 54.61 CM

CoCoRaHS 2015-16 (Oct.-Sept.)
109/366 = 29.8%  Precipitation/SWE.
Precip. of 13.49 + SWE of 1.89 = 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:
Feb:           High: 150.1 - Low:  66.8 Avg. =  119.0 Data n/a
Year 2017: High: 244.5 - Low:  20.9 Avg. =  105.5 Data n/a
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

Monthly Condition:
February:  Low to 10. High to 43. Heavy rain & flooding.
                2.8 inches of snow this month to date.
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.
November4th wettest month 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 =  21.50 inches or 54.61 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, December 31, 2016

Photo of the month - December, 2016
Snow melting on ice covered lake.

Wednesday, December 14, 2016

Fall storm blew through mid-afternoon.