Climatological Report (Monthly)
Issued by NWS Portland, OR

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000
CXUS56 KPQR 011547
CLMHIO


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1929 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            50                                 61  12/07
LOWEST             17                                 26  12/30
AVG. MAXIMUM     40.3              45.0    -4.7     46.4
AVG. MINIMUM     29.2              32.1    -2.9     37.1
MEAN             34.8              38.5    -3.7     41.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               1.1    -0.1        0
DAYS MIN <= 32     24              14.3     9.7        8
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.60   2015
 MINIMUM         1.08   2013
TOTALS           4.77              6.74   -1.97    14.60
DAYS >= .01        18                MM      MM       28
DAYS >= .10        12                MM      MM       24
DAYS >= .50         3                MM      MM       10
DAYS >= 1.00        0                MM      MM        3
GREATEST
 24 HR. TOTAL    1.12   12/19 TO 12/20

DEGREE_DAYS
HEATING TOTAL     927               820     107      712
 SINCE 7/1       1898              2121    -223     1813
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        336               198     138      503
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.9
RESULTANT WIND SPEED/DIRECTION   1/100
HIGHEST WIND SPEED/DIRECTION    28/090    DATE  12/08
HIGHEST GUST SPEED/DIRECTION    36/080    DATE  12/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80

AVERAGE RH (PERCENT)     88

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       6
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW                5     SLEET                      0
FOG                      31     FOG W/VIS <= 1/4 MILE     19
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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