Climatological Report (Monthly)
Issued by NWS Portland, OR

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CXUS56 KPQR 020119
CLMSLE


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
519 PM PST MON JAN 1 2018

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

...THE SALEM OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            58                                 52  12/20
                                                          12/03
LOWEST             22                                 16  12/17
                                                          12/16
AVG. MAXIMUM     47.2              46.2     1.0     42.5
AVG. MINIMUM     32.0              34.0    -2.0     31.1
MEAN             39.6              40.1    -0.5     36.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.7    -0.7        2
DAYS MIN <= 32     18              12.0     6.0       19
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.54   1933
 MINIMUM         1.26   1976
TOTALS           3.08              6.86   -3.78     5.15
DAYS >= .01        14              18.2    -4.2       20
DAYS >= .10         7              13.1    -6.1       12
DAYS >= .50         3               4.9    -1.9        4
DAYS >= 1.00        0               1.7    -1.7        0
GREATEST
 24 HR. TOTAL    0.74   12/19 TO 12/19

DEGREE_DAYS
HEATING TOTAL     779               772       7      866
 SINCE 7/1       1711              1889    -178     1670
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        652               290     362      465
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
RESULTANT WIND SPEED/DIRECTION   1/190
HIGHEST WIND SPEED/DIRECTION    30/180    DATE  12/19
HIGHEST GUST SPEED/DIRECTION    39/180    DATE  12/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      5
HAZE                      2

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

$$


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