Climatological Report (Daily)
Issued by NWS State College, PA
Issued by NWS State College, PA
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CDUS41 KCTP 220630
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
230 AM EDT MON SEP 22 2025
...................................
...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 21 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 72 358 PM 94 1931 73 -1 79
MINIMUM 60 1218 AM 33 1956 52 8 60
2020
AVERAGE 66 63 3 70
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 1974 0.18 -0.18 0.03
MONTH TO DATE 0.09 3.37 -3.28 0.22
SINCE SEP 1 0.09 3.37 -3.28 0.22
SINCE JAN 1 26.65 31.91 -5.26 36.09
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 20 43 -23 21
SINCE SEP 1 20 43 -23 21
SINCE JUL 1 38 51 -13 30
COOLING
YESTERDAY 1 2 -1 5
MONTH TO DATE 56 69 -13 61
SINCE SEP 1 56 69 -13 61
SINCE JAN 1 851 778 73 997
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 700 AM
LOWEST 53 1200 PM
AVERAGE 66
..........................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 97 1931
MINIMUM TEMPERATURE (F) 52 31 1904
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 655 AM EDT SUNSET 704 PM EDT
SEPTEMBER 23 2025.....SUNRISE 656 AM EDT SUNSET 703 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$