490
CXUS51 KCTP 011459
CLMIPT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
959 AM EST THU JAN 01 2026

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

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             70   12/01/2006
 LOW             -15   12/28/1950
HIGHEST           56   12/19                          63  12/29
LOWEST             6   12/09                           4  12/23
AVG. MAXIMUM    35.6               39.7    -4.1     39.3
AVG. MINIMUM    20.8               25.8    -5.0     24.9
MEAN            28.2               32.8    -4.6     32.1
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    11                6.2     4.8        5
DAYS MIN <= 32    30               24.1     5.9       25
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.36   1973
 MINIMUM        0.63   1928
TOTALS          2.33               3.27   -0.94     3.28
DAILY AVG.      0.08               0.11   -0.03     0.11
DAYS >= .01       11               11.9    -0.9       15
DAYS >= .10        7                6.2     0.8       10
DAYS >= .50        1                2.3    -1.3        1
DAYS >= 1.00       1                0.7     0.3        1
GREATEST
 24 HR. TOTAL   1.19   12/18 TO 12/19               1.32  12/10 TO 12/11

SNOWFALL (INCHES)
RECORDS
 TOTAL          35.5   1969
TOTALS           4.3                6.9    -2.6      7.2
SINCE 7/1        4.3                8.7    -4.4       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        2                1.7     0.3        4
GREATEST
 SNOW DEPTH        1   12/14                           3  12/05
                       12/15
                       12/27
 24 HR TOTAL     1.6   12/02 TO 12/02                 MM

DEGREE DAYS
HEATING TOTAL   1135               1000     135     1012
 SINCE 7/1      2212               2173      39       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       888                798      90       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
HIGHEST WIND SPEED/DIRECTION    35/260    DATE  12/19
HIGHEST GUST SPEED/DIRECTION    53/270    DATE  12/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               15     SLEET                      2
FOG                      14     FOG W/VIS <= 1/4 MILE      4
HAZE                      6

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

$$