644
CDUS41 KCTP 210630
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
230 AM EDT SUN SEP 21 2025
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 20 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 80 430 PM 90 1895 74 6 86
MINIMUM 48 610 AM 34 1929 53 -5 55
AVERAGE 64 63 1 71
PRECIPITATION (IN)
YESTERDAY 0.00 1.62 1977 0.18 -0.18 0.00
MONTH TO DATE 0.09 3.19 -3.10 0.19
SINCE SEP 1 0.09 3.19 -3.10 0.19
SINCE JAN 1 26.65 31.73 -5.08 36.06
DEGREE DAYS
HEATING
YESTERDAY 1 4 -3 0
MONTH TO DATE 20 39 -19 21
SINCE SEP 1 20 39 -19 21
SINCE JUL 1 38 47 -9 30
COOLING
YESTERDAY 0 2 -2 6
MONTH TO DATE 55 67 -12 56
SINCE SEP 1 55 67 -12 56
SINCE JAN 1 850 776 74 992
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 27 300 PM
AVERAGE 57
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THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 1931
MINIMUM TEMPERATURE (F) 52 33 1956
2020
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 654 AM EDT SUNSET 706 PM EDT
SEPTEMBER 22 2025.....SUNRISE 655 AM EDT SUNSET 704 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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