Climatological Report (Daily)
Issued by NWS Portland, OR

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CDUS46 KPQR 131153
CLIPDX


CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
352 AM PST WED DEC 13 2017


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

...THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 12 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1940 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         45   1148 AM  63    1995  46     -1       47
  MINIMUM         25    421 AM  14    1972  35    -10       38
  AVERAGE         35                        40     -5       43

PRECIPITATION (IN)
  YESTERDAY        0.00          0.93 1973   0.18  -0.18     0.02
  MONTH TO DATE    0.37                      2.27  -1.90     2.55
  SINCE OCT 1     11.38                     10.90   0.48    17.69
  SINCE JAN 1     43.08                     32.81  10.27    41.29

SNOWFALL (IN)
  YESTERDAY        0.0           0.8  1972
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       30                        25      5       22
  MONTH TO DATE  288                       283      5      305
  SINCE DEC 1    288                       283      5      305
  SINCE JUL 1   1213                      1252    -39     1015

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    700                       424    276      548
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           200 AM
 LOWEST     53          1100 AM
 AVERAGE    73

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


THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        61      2010
                                             1977
 MINIMUM TEMPERATURE (F)   35        18      1972


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   743 AM PST   SUNSET   427 PM PST
DECEMBER 14 2017......SUNRISE   743 AM PST   SUNSET   427 PM PST


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




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