Climatological Report (Daily)
Issued by NWS Pittsburgh, PA

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552
CDUS41 KPBZ 160815
CLIPIT

CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
315 AM EST SAT DEC 16 2017

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

...THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 15 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         29   1159 PM  68    1971  39    -10       19
  MINIMUM         14    407 AM  -2    1914  25    -11        7
  AVERAGE         22                        32    -10       13

PRECIPITATION (IN)
  YESTERDAY        T             1.09 1948   0.08  -0.08      T
  MONTH TO DATE    0.68                      1.44  -0.76     1.43
  SINCE JUN 1     22.35                     21.68   0.67    19.39
  SINCE JAN 1     41.06                     36.78   4.28    33.01

SNOWFALL (IN)
  YESTERDAY        T             8.0  1901   0.2   -0.2       T
  MONTH TO DATE    6.7                       3.5    3.2      5.1
  SINCE OCT 1      6.7                       5.9    0.8      7.2
  SINCE JUL 1      6.7                       5.9    0.8      7.2
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       43                        33     10       52
  MONTH TO DATE  477                       457     20      489
  SINCE DEC 1    477                       457     20      489
  SINCE JUL 1   1480                      1620   -140     1336

 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    22   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           100 AM
 LOWEST     46           200 PM
 AVERAGE    63

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


THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        64      1940
 MINIMUM TEMPERATURE (F)   25        -5      1951


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   738 AM EST   SUNSET   455 PM EST
DECEMBER 17 2017......SUNRISE   739 AM EST   SUNSET   456 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.

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

$$
$$



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