Climatological Report (Monthly)
Issued by NWS Portland, OR

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CXUS56 KPQR 011551
CLMHIO


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
751 AM PST THU JAN 1 2015

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

...THE HILLSBORO OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1929 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            61                                 58  12/01
LOWEST             19                                  9  12/08
AVG. MAXIMUM     49.4              45.0     4.4     39.9
AVG. MINIMUM     37.3              32.1     5.2     27.5
MEAN             43.3              38.5     4.8     33.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               1.1    -1.1        4
DAYS MIN <= 32      4              14.3   -10.3       23
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.78   1996
 MINIMUM         1.08   2013
TOTALS           5.88              6.74   -0.86     1.08
DAYS >= .01        21                MM      MM        9
DAYS >= .10        12                MM      MM        3
DAYS >= .50         5                MM      MM        1
DAYS >= 1.00        2                MM      MM        0
GREATEST
 24 HR. TOTAL    1.12   12/04 TO 12/05
                        12/19 TO 12/20

DEGREE_DAYS
HEATING TOTAL     665               820    -155      963
 SINCE 7/1       1521              2121    -600     2200
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        405               198     207      310
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
RESULTANT WIND SPEED/DIRECTION   2/114
HIGHEST WIND SPEED/DIRECTION    39/180    DATE  12/11
HIGHEST GUST SPEED/DIRECTION    52/180    DATE  12/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70

AVERAGE RH (PERCENT)     83

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                      10
LIGHT RAIN               25     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      25     FOG W/VIS <= 1/4 MILE      7
HAZE                      0

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

$$



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