Climatological Report (Monthly)
Issued by NWS
Issued by NWS
586
CXUS56 KPDT 011906
CLMYKM
CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1206 PM PDT WED OCT 01 2025
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...THE YAKIMA WA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1946 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 100 09/03/1988
09/01/1949
LOW 16 09/10/2021
HIGHEST 99 09/03 98 09/01
09/06
LOWEST 39 09/30 34 09/30
AVG. MAXIMUM 83.7 79.4 4.3 83.6
AVG. MINIMUM 51.3 44.9 6.4 49.7
MEAN 67.5 62.2 5.3 66.7
DAYS MAX >= 90 5 3.2 1.8 9
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.7 -0.7 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.07 1986
MINIMUM 0.00 1987
TOTALS 0.14 0.23 -0.09 0.06
DAILY AVG. 0.00 0.01 -0.01 0.00
DAYS >= .01 5 3.0 2.0 1
DAYS >= .10 0 0.8 -0.8 0
DAYS >= .50 0 0.0 0.0 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.07 09/21 TO 09/21 0.05 09/11 TO 09/11
DEGREE DAYS
HEATING TOTAL 46 131 -85 59
SINCE 7/1 47 164 -117
COOLING TOTAL 128 46 82 114
SINCE 1/1 850 605 245
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WIND (MPH)
AVERAGE WIND SPEED 5.4
RESULTANT WIND SPEED/DIRECTION 3/270
HIGHEST WIND SPEED/DIRECTION 24/320 DATE 09/14
24/230 09/30
HIGHEST GUST SPEED/DIRECTION 35/230 DATE 09/30
AVERAGE RH (PERCENT) 54
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 1 FOG W/VIS <= 1/4 MILE 0
HAZE 12
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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