Climatological Report (Monthly)
Issued by NWS

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CXUS56 KPDT 011540
CLMPSC

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON OREGON
738 AM PST MON JAN 01 2018

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

...THE PASCO WA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2017

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

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

TEMPERATURE (F)
RECORD
 HIGH              69  12/ 8/2015
 LOW               -9  12/16/2016
HIGHEST            56  12/18       25        31            54  12/ 3
LOWEST             11  12/24        4         7            -9  12/16
AVG. MAXIMUM     37.1            39.9      -2.8          36.6
AVG. MINUMUM     26.6            26.4       0.2          19.1
MEAN             31.8            33.1      -1.3          27.9
DAYS MAX >= 90      0               0         0             0
DAYS MAX <= 32      7              20       -13            12
DAYS MIN <= 32     29              27         2            29
DAYS MIN <= 0       0              18       -18            29


PRECIPITATION (INCHES)
RECORD
 MAXIMUM          2.11   2002
 MINIMUM          0.13   2011
TOTALS            0.88            1.21     -0.33          0.65
DAILY AVG.        0.03            0.04     -0.01          0.02
DAYS >=  0.01        7               4         3             9
DAYS >=  0.10        4               2         2             3
DAYS >=  0.50        0               0         0             0
DAYS >=  1.00        0               0         0             0
GREATEST
 24 HR. TOTAL     0.35  12/29



SNOWFALL (INCHES)
RECORD
 MAXIMUM           9.0   2016
 MINIMUM             T   2011
TOTALS             4.0             0.0       4.0           9.0
SINCE 7/1          4.0             0.0       4.0           9.0
DAYS >=  TRACE      10               0         9            12
DAYS >=  1.0         2               0         1             4
GREATEST
 24 HR. TOTAL      2.9  12/24


DEGREE DAYS
HEATING TOTAL     1019             989        30          1141
 SINCE 7/1        2187            2210       -23          2087
COOLING TOTAL        0               0         0             0
 SINCE 1/1         981             704       277           778

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

WIND (MPH)
AVERAGE WIND SPEED                     4.2
RESULTANT WIND SPEED/DIRECTION         3/209
HIGHEST WIND SPEED/DIRECTION          30/230      DATE          12/17
HIGHEST GUST SPEED/DIRECTION          42/220      DATE          12/18


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM               0    MIXED PRECIP                           0
HEAVY RAIN                 0    RAIN                                   0
LIGHT RAIN                 5    FREEZING RAIN                          0
LT FREEZING RAIN           4    HAIL                                   0
HEAVY SNOW                 0    SNOW                                   0
LIGHT SNOW                10    SLEET                                  3
FOG                       19    FOG W/VIS <=1/4 MILE                   3
HAZE                       5

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

$$


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