882
CDUS41 KCTP 160721
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
221 AM EST TUE DEC 16 2025
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR DECEMBER 15 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 23 154 PM 60 1901 40 -17 34
MINIMUM 13 803 AM 0 1904 26 -13 18
AVERAGE 18 33 -15 26
PRECIPITATION (IN)
YESTERDAY T 1.35 2022 0.11 -0.11 0.19
MONTH TO DATE 0.41 1.74 -1.33 2.03
SINCE DEC 1 0.41 1.74 -1.33 2.03
SINCE JAN 1 33.85 41.99 -8.14 42.61
SNOWFALL (IN)
YESTERDAY T 4.0 1907 0.3 -0.3 1.6
MONTH TO DATE 3.4 3.0 0.4 4.9
SINCE DEC 1 3.4 3.0 0.4 4.9
SINCE JUL 1 3.4 4.8 -1.4 4.9
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 47 32 15 39
MONTH TO DATE 590 455 135 498
SINCE DEC 1 590 455 135 498
SINCE JUL 1 1667 1628 39 1434
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 888 798 90 1010
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 9.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 500 PM
LOWEST 56 1200 AM
AVERAGE 69
......................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 65 2021
MINIMUM TEMPERATURE (F) 26 -4 1917
SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE 727 AM EST SUNSET 440 PM EST
DECEMBER 17 2025......SUNRISE 728 AM EST SUNSET 440 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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