Climatological Report (Monthly)
Issued by NWS Portland, OR

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060
CXUS56 KPQR 011547
CLMPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
747 AM PST SUN JAN 1 2017

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

...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1940 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            52                                 63  12/07
LOWEST             25                                 29  12/30
AVG. MAXIMUM     42.3              45.6    -3.3     47.7
AVG. MINIMUM     32.2              35.2    -3.0     39.1
MEAN             37.2              40.4    -3.2     43.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.9    -0.9        0
DAYS MIN <= 32     19               8.7    10.3        2
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.24   2015
 MINIMUM         1.38   1976
TOTALS           4.61              5.49   -0.88    15.24
DAYS >= .01        21              18.6     2.4       28
DAYS >= .10        12              12.3    -0.3       24
DAYS >= .50         3               3.4    -0.4       12
DAYS >= 1.00        0               0.9    -0.9        3
GREATEST
 24 HR. TOTAL    1.29   12/19 TO 12/20

SNOWFALL (INCHES)
TOTALS            3.0
SINCE 7/1         3.0

DEGREE_DAYS
HEATING TOTAL     854               763      91      659
 SINCE 7/1       1564              1732    -168     1467
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        548               424     124      785
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
RESULTANT WIND SPEED/DIRECTION   4/128
HIGHEST WIND SPEED/DIRECTION    38/090    DATE  12/08
HIGHEST GUST SPEED/DIRECTION    49/110    DATE  12/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         26

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW                6     SLEET                      1
FOG                      29     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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