Climatological Report (Monthly)
Issued by NWS
Issued by NWS
828
CXUS56 KOTX 011319
CLMEPH
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
519 AM PST THU JAN 01 2026
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...THE EPHRATA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 69 12/01/2021
12/01/2021
LOW -21 12/23/1983
HIGHEST 65 12/15 MM MM 54 12/18
LOWEST 17 12/28 MM MM 18 12/09
AVG. MAXIMUM 45.3 35.5 9.8 38.7
AVG. MINIMUM 30.3 23.6 6.7 29.4
MEAN 37.8 29.6 8.2 34.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 10.4 -10.4 5
DAYS MIN <= 32 22 27.1 -5.1 28
DAYS MIN <= 0 0 0.2 -0.2 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.12 1992
MINIMUM 0.01 2013
TOTALS 0.79 1.13 -0.34 2.35
DAILY AVG. 0.03 0.04 -0.01 0.08
DAYS >= .01 10 10.2 -0.2 12
DAYS >= .10 3 4.1 -1.1 10
DAYS >= .50 0 0.2 -0.2 1
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.21 12/18 TO 12/18 0.91
DEGREE DAYS
HEATING TOTAL 836 1099 -263 953
SINCE 7/1 1985 2469 -484 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 1200 843 357 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.5
HIGHEST WIND SPEED/DIRECTION 38/250 DATE 12/17
HIGHEST GUST SPEED/DIRECTION 51/250 DATE 12/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.47
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 8
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 2 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 13
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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