National Weather Service Text Product
AFOS product CLIIPT
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIPT
Product Timestamp: 2025-09-13 06:19 UTC
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567
CDUS41 KCTP 130619
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
219 AM EDT SAT SEP 13 2025
...................................
...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 12 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 82 409 PM 100 1931 77 5 82
MINIMUM 51 613 AM 35 1943 56 -5 53
AVERAGE 67 66 1 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.72 2000 0.16 -0.16 0.00
MONTH TO DATE 0.09 1.81 -1.72 0.19
SINCE SEP 1 0.09 1.81 -1.72 0.19
SINCE JAN 1 26.65 30.35 -3.70 36.06
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 19 16 3 21
SINCE SEP 1 19 16 3 21
SINCE JUL 1 37 24 13 30
COOLING
YESTERDAY 2 3 -1 3
MONTH TO DATE 18 48 -30 17
SINCE SEP 1 18 48 -30 17
SINCE JAN 1 813 757 56 953
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 1.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 AM
LOWEST 34 300 PM
AVERAGE 66
..........................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 96 1931
MINIMUM TEMPERATURE (F) 55 36 1943
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 646 AM EDT SUNSET 720 PM EDT
SEPTEMBER 14 2025.....SUNRISE 647 AM EDT SUNSET 718 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$