Climatological Report (Monthly)
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000
CXUS56 KPDT 011517
CLMHRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON, OR
717 AM PST MON JAN 01 2024

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

...THE HERMISTON OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1906 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             72   12/08/2015
 LOW             -34   12/12/1919
HIGHEST           60   12/05                          61  12/27
LOWEST            19   12/01                           2  12/22
AVG. MAXIMUM    44.6               42.1     2.5     35.8
AVG. MINIMUM    34.2               28.2     6.0     21.9
MEAN            39.4               35.2     4.2     28.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                6.1    -6.1       14
DAYS MIN <= 32    11               23.3   -12.3       29
DAYS MIN <= 0      0                0.8    -0.8        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.53   1964
 MINIMUM        0.07   1990
TOTALS          1.36               1.12    0.24     1.38
DAILY AVG.      0.04               0.04    0.00     0.04
DAYS >= .01       15               10.5     4.5       13
DAYS >= .10        4                3.9     0.1        5
DAYS >= .50        0                0.3    -0.3        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.27   12/06 TO 12/06               0.35  12/30 TO 12/30


DEGREE DAYS
HEATING TOTAL    786                925    -139     1112
 SINCE 7/1      1477               2097    -620
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1101                842     259
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.4
RESULTANT WIND SPEED/DIRECTION   1/200
HIGHEST WIND SPEED/DIRECTION    28/230    DATE  12/02
HIGHEST GUST SPEED/DIRECTION    37/250    DATE  12/07
                                37/250          12/22

AVERAGE RH (PERCENT)     85

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      5
HAZE                      1

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

$$


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