588
CXUS56 KPDT 011906
CLMHRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1206 PM PDT WED OCT 01 2025
...............................
...THE HERMISTON OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1906 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 102 09/04/1934
LOW 21 09/25/1926
09/29/2019
09/03/2016
HIGHEST 99 09/02 98 09/01
09/03
09/02
LOWEST 42 09/26 36 09/30
09/27
AVG. MAXIMUM 85.7 81.2 4.5 84.2
AVG. MINIMUM 54.0 47.9 6.1 52.8
MEAN 69.8 64.6 5.2 68.5
DAYS MAX >= 90 8 3.9 4.1 10
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.4 -0.4 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.19 1927
MINIMUM 0.00 1990
TOTALS 0.56 0.33 0.23 0.41
DAILY AVG. 0.02 0.01 0.01 0.01
DAYS >= .01 4 2.8 1.2 1
DAYS >= .10 2 1.0 1.0 1
DAYS >= .50 0 0.1 -0.1 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.36 09/11 TO 09/11 0.41 09/11 TO 09/11
DEGREE DAYS
HEATING TOTAL 18 81 -63 34
SINCE 7/1 18 91 -73
COOLING TOTAL 150 68 82 145
SINCE 1/1 1097 839 258
............................................................
WIND (MPH)
AVERAGE WIND SPEED 5.8
RESULTANT WIND SPEED/DIRECTION 3/210
HIGHEST WIND SPEED/DIRECTION 29/260 DATE 09/25
HIGHEST GUST SPEED/DIRECTION 40/260 DATE 09/25
AVERAGE RH (PERCENT) 53
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 0
LIGHT RAIN 8 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 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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