Climatological Report (Monthly)
Issued by NWS
Issued by NWS
587
CXUS56 KPDT 011906
CLMPSC
CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1206 PM PDT WED OCT 01 2025
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...THE PASCO WA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 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 102 09/01/2022
LOW 21 09/24/1926
HIGHEST 99 09/02 97 09/01
09/02
LOWEST 41 09/23 33 09/30
AVG. MAXIMUM 85.0 80.9 4.1 84.6
AVG. MINIMUM 53.4 47.6 5.8 52.3
MEAN 69.2 64.2 5.0 68.5
DAYS MAX >= 90 8 4.5 3.5 11
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.3 -0.3 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.79 1927
MINIMUM T 2018
TOTALS 0.20 0.31 -0.11 0.11
DAILY AVG. 0.01 0.01 -0.00 0.00
DAYS >= .01 4 3.0 1.0 2
DAYS >= .10 0 1.0 -1.0 0
DAYS >= .50 0 0.0 0.0 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.09 09/14 TO 09/14 0.11 09/11 TO 09/12
DEGREE DAYS
HEATING TOTAL 18 86 -68 34
SINCE 7/1 18 93 -75
COOLING TOTAL 152 63 89 146
SINCE 1/1 1072 785 287
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WIND (MPH)
AVERAGE WIND SPEED 4.6
RESULTANT WIND SPEED/DIRECTION 1/250
HIGHEST WIND SPEED/DIRECTION 32/320 DATE 09/25
HIGHEST GUST SPEED/DIRECTION 42/320 DATE 09/25
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 0
HAZE 15
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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