100
CDUS41 KCTP 110617
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
217 AM EDT FRI SEP 11 2026
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 10 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 112 PM 99 1931 77 8 80
MINIMUM 67 1159 PM 37 1914 56 11 46
AVERAGE 76 67 9 63
PRECIPITATION (IN)
YESTERDAY T 3.15 2018 0.16 -0.16 0.00
MONTH TO DATE 4.29 1.50 2.79 0.09
SINCE SEP 1 4.29 1.50 2.79 0.09
SINCE JAN 1 32.19 30.04 2.15 26.65
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 2
MONTH TO DATE 0 12 -12 19
SINCE SEP 1 0 12 -12 19
SINCE JUL 1 3 20 -17 37
COOLING
YESTERDAY 11 3 8 0
MONTH TO DATE 78 42 36 15
SINCE SEP 1 78 42 36 15
SINCE JAN 1 883 751 132 810
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 50 100 PM
AVERAGE 75
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THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 98 1931
MINIMUM TEMPERATURE (F) 56 35 1917
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 644 AM EDT SUNSET 724 PM EDT
SEPTEMBER 12 2026.....SUNRISE 645 AM EDT SUNSET 722 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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