Climatological Report (Monthly)
Issued by NWS Portland, OR

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CXUS56 KPQR 020119
CLMTTD


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            57                                 53  12/03
LOWEST             28                                 27  12/17
                                                          12/14
                                                          12/07
AVG. MAXIMUM     44.3              44.6    -0.3     42.4
AVG. MINIMUM     36.3              33.3     3.0     32.8
MEAN             40.3              39.0     1.3     37.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               1.4    -0.4        1
DAYS MIN <= 32      7              10.4    -3.4       17
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           3.03              7.17   -4.14     3.13
DAYS >= .01        16              17.9    -1.9       16
DAYS >= .10         6              13.4    -7.4        8
DAYS >= .50         3               4.6    -1.6        1
DAYS >= 1.00        0               1.4    -1.4        0
GREATEST
 24 HR. TOTAL    0.67   12/28 TO 12/28

DEGREE_DAYS
HEATING TOTAL     759               807     -48      843
 SINCE 7/1       1660              1909    -249     1568
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        673               340              505
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              13.6
RESULTANT WIND SPEED/DIRECTION  12/089
HIGHEST WIND SPEED/DIRECTION    38/090    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    49/090    DATE  12/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

$$



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