581
CXUS56 KOTX 011318
CLMEPH
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
618 AM PDT THU OCT 01 2026
...............................
...THE EPHRATA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 106 09/03/1988
LOW 28 09/23/2000
HIGHEST 85 09/21 MM MM 99 09/02
09/03
LOWEST 36 09/28 MM MM 43 09/30
AVG. MAXIMUM 74.9 78.5 -3.6 84.5
AVG. MINIMUM 48.8 50.6 -1.8 56.8
MEAN 61.8 64.5 -2.7 70.7
DAYS MAX >= 90 0 3.3 -3.3 8
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.1 -0.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.68 1986
MINIMUM 0.00 1999
TOTALS 0.56 0.22 0.34 0.15
DAILY AVG. 0.02 0.01 0.01 0.01
DAYS >= .01 5 2.6 2.4 3
DAYS >= .10 1 0.7 0.3 0
DAYS >= .50 0 0.0 0.0 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.47 09/12 TO 09/13 0.07
DEGREE DAYS
HEATING TOTAL 107 94 13 17
SINCE 7/1 116 107 9 MM
COOLING TOTAL 21 80 -59 196
SINCE 1/1 865 841 24 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.6
HIGHEST WIND SPEED/DIRECTION 37/190 DATE 09/25
HIGHEST GUST SPEED/DIRECTION 49/190 DATE 09/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.16
NUMBER OF DAYS FAIR 24
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 1
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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