Climatological Report (Monthly)
Issued by NWS
Issued by NWS
905
CXUS56 KPDT 012031
CLMDLS
CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1231 PM PST THU JAN 01 2026
...................................
...THE DALLESPORT WA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 70 12/01/2021
LOW -5 12/21/1990
HIGHEST 68 12/10 58 12/18
LOWEST 23 12/30 29 12/09
12/31
AVG. MAXIMUM 49.7 41.4 8.3 43.3
AVG. MINIMUM 36.4 31.0 5.4 34.8
MEAN 43.1 39.1
DAYS MAX >= 90 0 0
DAYS MAX <= 32 0 0
DAYS MIN <= 32 7 7
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.96 1964
MINIMUM 0.37 1976
TOTALS 3.43 2.68 0.75 4.20
DAILY AVG. 0.12 0.09 0.03 0.14
DAYS >= .01 10 20
DAYS >= .10 5 13
DAYS >= .50 1 3
DAYS >= 1.00 1 0
GREATEST
24 HR. TOTAL 2.19 12/18 TO 12/19 0.73 12/16 TO 12/17
DEGREE DAYS
HEATING TOTAL 629
SINCE 7/1 1557
COOLING TOTAL 0
SINCE 1/1 1121
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WIND (MPH)
AVERAGE WIND SPEED 4.5
RESULTANT WIND SPEED/DIRECTION 1/280
HIGHEST WIND SPEED/DIRECTION 46/270 DATE 12/17
HIGHEST GUST SPEED/DIRECTION 66/300 DATE 12/17
AVERAGE RH (PERCENT) 83
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 15 FOG W/VIS <= 1/4 MILE 4
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$