906
CXUS56 KPDT 012031
CLMALW

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1231 PM PST THU JAN 01 2026

...................................

...THE WALLA WALLA WA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             71   12/10/2014
 LOW             -24   12/30/1968
HIGHEST           68   12/15                          60  12/18
LOWEST            24   12/30                          27  12/10
                       12/31
                                                          12/11
AVG. MAXIMUM    51.5               41.0    10.5     43.7
AVG. MINIMUM    37.4               30.2     7.2     33.5
MEAN            44.4               35.6     8.8     38.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                7.7    -7.7        8
DAYS MIN <= 32    10               20.0   -10.0       13
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.37   1973
 MINIMUM        0.49   1965
TOTALS          2.50               2.23    0.27     2.79
DAILY AVG.      0.08               0.07    0.01     0.09
DAYS >= .01       16               13.6     2.4       15
DAYS >= .10        5                6.7    -1.7        7
DAYS >= .50        1                0.7     0.3        1
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.54   12/04 TO 12/04               0.62  12/24 TO 12/24


DEGREE DAYS
HEATING TOTAL    630                911    -281      814
 SINCE 7/1      1573               2021    -448
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1215                937     278
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   7/200
HIGHEST WIND SPEED/DIRECTION    44/220    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    64/250    DATE  12/17

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       6
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      8
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$