480
CDUS41 KCTP 170717
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
217 AM EST WED DEC 17 2025
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR DECEMBER 16 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 30 323 PM 65 2021 39 -9 42
MINIMUM 12 757 AM -4 1917 26 -14 33
AVERAGE 21 33 -12 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.55 1974 0.09 -0.09 0.16
MONTH TO DATE 0.41 1.83 -1.42 2.19
SINCE DEC 1 0.41 1.83 -1.42 2.19
SINCE JAN 1 33.85 42.08 -8.23 42.77
SNOWFALL (IN)
YESTERDAY 0.0 13.7 2020 0.2 -0.2 T
MONTH TO DATE 3.4 3.2 0.2 4.9
SINCE DEC 1 3.4 3.2 0.2 4.9
SINCE JUL 1 3.4 5.0 -1.6 4.9
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 44 32 12 27
MONTH TO DATE 634 487 147 525
SINCE DEC 1 634 487 147 525
SINCE JUL 1 1711 1660 51 1461
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
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 800 AM
LOWEST 45 200 PM
AVERAGE 65
......................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 65 1912
MINIMUM TEMPERATURE (F) 26 -11 1951
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 728 AM EST SUNSET 440 PM EST
DECEMBER 18 2025......SUNRISE 728 AM EST SUNSET 441 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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