Climatological Report (Daily)
Issued by NWS State College, PA

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703
CDUS41 KCTP 170740
CLIIPT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
340 AM EDT THU SEP 17 2026

...................................

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 16 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         81    344 PM  92    1991  75      6       83
  MINIMUM         57    332 AM  38    1923  54      3       55
                                      1966
  AVERAGE         69                        65      4       69

PRECIPITATION (IN)
  YESTERDAY        0.00          2.38 1999   0.18  -0.18     0.00
  MONTH TO DATE    4.85                      2.50   2.35     0.09
  SINCE SEP 1      4.85                      2.50   2.35     0.09
  SINCE JAN 1     32.75                     31.04   1.71    26.65

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    9                        25    -16       19
  SINCE SEP 1      9                        25    -16       19
  SINCE JUL 1     12                        33    -21       37

 COOLING
  YESTERDAY        4                         2      2        4
  MONTH TO DATE   97                        59     38       38
  SINCE SEP 1     97                        59     38       38
  SINCE JAN 1    902                       768    134      833
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     2.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1100 PM
 LOWEST     56           200 PM
 AVERAGE    73

..........................................................


THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        90      1991
 MINIMUM TEMPERATURE (F)   54        35      1959


SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE   650 AM EDT   SUNSET   713 PM EDT
SEPTEMBER 18 2026.....SUNRISE   651 AM EDT   SUNSET   712 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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