National Weather Service Text Product
AFOS product CLIIPT
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIPT
Product Timestamp: 2025-09-18 06:18 UTC
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801
CDUS41 KCTP 180618
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
218 AM EDT THU SEP 18 2025
...................................
...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 17 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 81 427 PM 90 1991 75 6 79
MINIMUM 56 613 AM 35 1959 54 2 53
AVERAGE 69 64 5 66
PRECIPITATION (IN)
YESTERDAY T 5.58 2004 0.17 -0.17 0.00
MONTH TO DATE 0.09 2.67 -2.58 0.19
SINCE SEP 1 0.09 2.67 -2.58 0.19
SINCE JAN 1 26.65 31.21 -4.56 36.06
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 19 28 -9 21
SINCE SEP 1 19 28 -9 21
SINCE JUL 1 37 36 1 30
COOLING
YESTERDAY 4 2 2 1
MONTH TO DATE 42 61 -19 38
SINCE SEP 1 42 61 -19 38
SINCE JAN 1 837 770 67 974
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 37 300 PM
AVERAGE 65
..........................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 88 1964
MINIMUM TEMPERATURE (F) 53 34 1925
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 651 AM EDT SUNSET 711 PM EDT
SEPTEMBER 19 2025.....SUNRISE 652 AM EDT SUNSET 709 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$