323
CDUS41 KCTP 160616
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
216 AM EDT TUE SEP 16 2025
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 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 84 417 PM 92 1927 76 8 84
MINIMUM 57 617 AM 35 1923 55 2 56
AVERAGE 71 65 6 70
PRECIPITATION (IN)
YESTERDAY 0.00 1.80 1933 0.17 -0.17 0.00
MONTH TO DATE 0.09 2.32 -2.23 0.19
SINCE SEP 1 0.09 2.32 -2.23 0.19
SINCE JAN 1 26.65 30.86 -4.21 36.06
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 19 22 -3 21
SINCE SEP 1 19 22 -3 21
SINCE JUL 1 37 30 7 30
COOLING
YESTERDAY 6 3 3 5
MONTH TO DATE 34 57 -23 32
SINCE SEP 1 34 57 -23 32
SINCE JAN 1 829 766 63 968
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 1.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 37 400 PM
AVERAGE 65
......................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1991
MINIMUM TEMPERATURE (F) 54 38 1923
1966
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 649 AM EDT SUNSET 715 PM EDT
SEPTEMBER 17 2025.....SUNRISE 650 AM EDT SUNSET 713 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page