Climatological Report (Daily)
Issued by NWS Pittsburgh, PA

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CDUS41 KPBZ 180809
CLIPIT

CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
309 AM EST MON DEC 18 2017

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

...THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         42    430 PM  64    1984  39      3       61
                                      1924
  MINIMUM         33    842 AM  -6    1989  25      8       23
  AVERAGE         38                        32      6       42

PRECIPITATION (IN)
  YESTERDAY        0.07          2.35 1890   0.08  -0.01     0.84
  MONTH TO DATE    0.76                      1.61  -0.85     2.27
  SINCE JUN 1     22.43                     21.85   0.58    20.23
  SINCE JAN 1     41.14                     36.95   4.19    33.85

SNOWFALL (IN)
  YESTERDAY        0.0          22.0  1890   0.3   -0.3       T
  MONTH TO DATE    6.9                       4.1    2.8      5.1
  SINCE OCT 1      6.9                       6.5    0.4      7.2
  SINCE JUL 1      6.9                       6.5    0.4      7.2
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       27                        33     -6       23
  MONTH TO DATE  532                       523      9      563
  SINCE DEC 1    532                       523      9      563
  SINCE JUL 1   1535                      1686   -151     1410

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    864                       736    128     1158
..................................................................

WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 PM
 LOWEST     57           100 PM
 AVERAGE    75

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


THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        63      1967
                                             1924
 MINIMUM TEMPERATURE (F)   24        -7      1989


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   739 AM EST   SUNSET   456 PM EST
DECEMBER 19 2017......SUNRISE   740 AM EST   SUNSET   457 PM EST


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

&&

SNOW DEPTH IS MEASURED AT 7 AM EST OR 8 AM EDT.

$$



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