CDUS41 KCTP 160721
CLIMDT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
221 AM EST TUE DEC 16 2025

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

...THE HARRISBURG PA CLIMATE SUMMARY FOR DECEMBER 15 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1888 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         25    334 PM  63    1929  43    -18       36
                                      2008
  MINIMUM         15   1057 PM   4    1914  28    -13       23
  AVERAGE         20                        36    -16       30

PRECIPITATION (IN)
  YESTERDAY        0.02          1.38 2022   0.12  -0.10     0.16
  MONTH TO DATE    0.86                      1.77  -0.91     2.48
  SINCE DEC 1      0.86                      1.77  -0.91     2.48
  SINCE JAN 1     38.37                     42.57  -4.20    41.79

SNOWFALL (IN)
  YESTERDAY        0.2           3.0  1981   0.2    0.0      0.8
  MONTH TO DATE    4.7                       1.8    2.9      0.8
  SINCE DEC 1      4.7                       1.8    2.9      0.8
  SINCE JUL 1      4.7                       2.8    1.9      0.8
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       45                        29     16       35
  MONTH TO DATE  533                       409    124      467
  SINCE DEC 1    533                       409    124      467
  SINCE JUL 1   1428                      1363     65     1208

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1232                      1172     60     1391
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1100 PM
 LOWEST     56          1200 AM
 AVERAGE    72

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THE HARRISBURG PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        66      2021
 MINIMUM TEMPERATURE (F)   28         4      1951


SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE   723 AM EST   SUNSET   443 PM EST
DECEMBER 17 2025......SUNRISE   724 AM EST   SUNSET   443 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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