Climatological Report (Daily)
Issued by NWS State College, PA

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CDUS41 KCTP 120638
CLIIPT


CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
138 AM EST TUE DEC 12 2017


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

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR DECEMBER 11 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         39   1159 PM  64    1912  39      0       31
  MINIMUM         31    630 AM  -5    1977  26      5       22
  AVERAGE         35                        32      3       27

PRECIPITATION (IN)
  YESTERDAY        0.00          1.58 2003   0.11  -0.11     0.10
  MONTH TO DATE    0.55                      1.25  -0.70     0.87
  SINCE DEC 1      0.55                      1.25  -0.70     0.87
  SINCE JAN 1     45.75                     39.60   6.15    32.40

SNOWFALL (IN)
  YESTERDAY        0.0           6.0  1987   0.2   -0.2      1.4
  MONTH TO DATE    T                         1.9   -1.9      2.2
  SINCE DEC 1      T                         1.9   -1.9      2.2
  SINCE JUL 1      0.1                       3.7   -3.6      2.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       30                        33     -3       38
  MONTH TO DATE  303                       339    -36      297
  SINCE DEC 1    303                       339    -36      297
  SINCE JUL 1   1287                      1584   -297     1231

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    929                       702    227     1148
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64          1000 AM
 LOWEST     52          1200 PM
 AVERAGE    58

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


THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        59      1911
 MINIMUM TEMPERATURE (F)   25        -2      1977


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   724 AM EST   SUNSET   439 PM EST
DECEMBER 13 2017......SUNRISE   725 AM EST   SUNSET   439 PM EST


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




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