904
CXUS56 KPDT 012031
CLMHRI

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

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

...THE HERMISTON OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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             75   12/15/2025
 LOW             -34   12/12/1919
HIGHEST           75R  12/15                          59  12/18
LOWEST            19   12/30                          24  12/31
                       12/31
AVG. MAXIMUM    51.5               42.1     9.4     44.1
AVG. MINIMUM    33.6               28.2     5.4     33.3
MEAN            42.6               35.2     7.4     38.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                6.1    -6.1        0
DAYS MIN <= 32    15               23.3    -8.3       15
DAYS MIN <= 0      0                0.8    -0.8        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.53   1964
 MINIMUM        0.07   1990
TOTALS          1.98               1.12    0.86     2.57
DAILY AVG.      0.06               0.04    0.02     0.08
DAYS >= .01       11               10.5     0.5       13
DAYS >= .10        6                3.9     2.1       10
DAYS >= .50        1                0.3     0.7        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.59   12/09 TO 12/09               0.55  12/25 TO 12/26


DEGREE DAYS
HEATING TOTAL    688                925    -237      807
 SINCE 7/1      1745               2097    -352
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1097                842     255
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
RESULTANT WIND SPEED/DIRECTION   3/220
HIGHEST WIND SPEED/DIRECTION    41/260    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    57/270    DATE  12/17

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      1

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

$$