043
CXUS51 KCTP 010735
CLMIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
335 AM EDT THU OCT 01 2026
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...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 102 09/03/1953
LOW 28 09/28/1947
HIGHEST 92 09/01 89 09/18
LOWEST 41 09/24 43 09/08
AVG. MAXIMUM 76.3 75.2 1.1 79.6
AVG. MINIMUM 57.4 54.1 3.3 54.6
MEAN 66.9 64.7 2.2 67.1
DAYS MAX >= 90 1 1.3 -0.3 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 15.97 2011
MINIMUM 0.16 1943
TOTALS 6.84 4.76 2.08 1.38
DAILY AVG. 0.23 0.16 0.07 0.05
DAYS >= .01 13 10.0 3.0 6
DAYS >= .10 9 6.5 2.5 4
DAYS >= .50 4 2.8 1.2 1
DAYS >= 1.00 2 1.3 0.7 0
GREATEST
24 HR. TOTAL 2.27 09/02 TO 09/03 0.61 09/24 TO 09/25
SNOWFALL (INCHES)
RECORDS
TOTAL 0.0 MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 51 90 -39 21
SINCE 7/1 54 99 -45 MM
COOLING TOTAL 113 80 33 92
SINCE 1/1 918 789 129 MM
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WIND (MPH)
AVERAGE WIND SPEED 4.3
HIGHEST WIND SPEED/DIRECTION 22/100 DATE 09/01
HIGHEST GUST SPEED/DIRECTION 47/100 DATE 09/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.48
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 6
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 8
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 4
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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