Climatological Report (Monthly)
Issued by NWS Portland, OR

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CXUS56 KPQR 011553
CLMTTD


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
753 AM PST TUE JAN 1 2013

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

...THE TROUTDALE OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            59                                 58  12/28
LOWEST             33                                 26  12/10
AVG. MAXIMUM     47.0              44.6     2.4     44.8
AVG. MINIMUM     38.5              33.3     5.2     32.9
MEAN             42.8              39.0     3.8     38.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               1.4    -1.4        0
DAYS MIN <= 32      0              10.4   -10.4       17
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           5.62              7.17   -1.55     2.61
DAYS >= .01        22              17.9     4.1       10
DAYS >= .10        15              13.4     1.6        4
DAYS >= .50         4               4.6    -0.6        3
DAYS >= 1.00        0               1.4    -1.4        0
GREATEST
 24 HR. TOTAL    0.96   12/04 TO 12/04

SNOWFALL (INCHES)
TOTALS            0.0

DEGREE_DAYS
HEATING TOTAL     680               807    -127      804
 SINCE 7/1       1543              1909    -366     1787
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        349               340              253
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
RESULTANT WIND SPEED/DIRECTION   5/111
HIGHEST WIND SPEED/DIRECTION    35/210    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    51/230    DATE  12/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         25

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                      10
LIGHT RAIN               26     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      1
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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