Climatological Report (Monthly)
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000
CXUS56 KPDT 011522
CLMHRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON OREGON
716 AM PST TUE JAN 01 2019

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

...THE HERMISTON OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1906 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART        LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM         VALUE DATE(S)
                                          NORMAL

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

TEMPERATURE (F)
RECORD
 HIGH              72  12/ 8/2015
 LOW              -37  12/13/1919
HIGHEST            59  12/29                               56  12/18
LOWEST             18  12/ 6                                5  12/24
AVG. MAXIMUM     45.1            39.6       5.5          37.0
AVG. MINUMUM     30.0            27.4       2.6          25.6
MEAN             37.5            33.5       4.0          31.3
DAYS MAX >= 90      0               0         0             0
DAYS MAX <= 32      0              12       -12            12
DAYS MIN <= 32     19              25        -6            28
DAYS MIN <= 0       0               7        -7            28


PRECIPITATION (INCHES)
RECORD
 MAXIMUM          3.53   1964
 MINIMUM          0.12   2011
TOTALS            0.91            1.45     -0.54          0.79
DAILY AVG.        0.03            0.04     -0.01          0.03
DAYS >=  0.01        8               5         3            10
DAYS >=  0.10        4               2         2             4
DAYS >=  0.50        0               0         0             0
DAYS >=  1.00        0               0         0             0
GREATEST
 24 HR. TOTAL     0.25  12/28



SNOWFALL (INCHES)
RECORD
 MAXIMUM          12.4   1919
 MINIMUM           0.0   1993
TOTALS               T             0.0       0.0           0.0
SINCE 7/1          0.0             4.1      -4.1           0.0
DAYS >=  TRACE       3               1         2
DAYS >=  1.0         0               0         0             0
GREATEST
 24 HR. TOTAL        T  12/22


DEGREE DAYS
HEATING TOTAL      843             972      -129          1037
 SINCE 7/1        2045            2191      -146          2236
COOLING TOTAL        0               0         0             0
 SINCE 1/1         978             696       282          1045

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

WIND (MPH)
AVERAGE WIND SPEED                     5.4
RESULTANT WIND SPEED/DIRECTION         4/164
HIGHEST WIND SPEED/DIRECTION          31/230      DATE          12/14
HIGHEST GUST SPEED/DIRECTION          43/240      DATE          12/14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM               0    MIXED PRECIP                           0
HEAVY RAIN                 0    RAIN                                   3
LIGHT RAIN                18    FREEZING RAIN                          0
LT FREEZING RAIN           2    HAIL                                   0
HEAVY SNOW                 0    SNOW                                   0
LIGHT SNOW                 3    SLEET                                  0
FOG                       12    FOG W/VIS <=1/4 MILE                   7
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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