489  
CDUS41 KCTP 130720  
CLIIPT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE STATE COLLEGE PA  
220 AM EST FRI DEC 13 2024  
   
...............................
 
 
   
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR DECEMBER 12 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 418 AM 59 1911 41 -7 46  
MINIMUM 20 1140 PM -2 1977 27 -7 29  
AVERAGE 27 34 -7 38  
 
PRECIPITATION (IN)  
YESTERDAY T 1.81 1899 0.12 -0.12 0.00  
MONTH TO DATE 1.84 1.42 0.42 1.98  
SINCE DEC 1 1.84 1.42 0.42 1.98  
SINCE JAN 1 42.42 41.67 0.75 42.78  
 
SNOWFALL (IN)  
YESTERDAY T 7.5 1944 0.2 -0.2 0.0  
MONTH TO DATE 3.3 2.3 1.0 0.6  
SINCE DEC 1 3.3 2.3 1.0 0.6  
SINCE JUL 1 3.3 4.1 -0.8 0.6  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 31 7 27  
MONTH TO DATE 376 359 17 298  
SINCE DEC 1 376 359 17 298  
SINCE JUL 1 1312 1532 -220 1344  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1010 798 212 864    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 500 AM  
LOWEST 33 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 62 2015  
MINIMUM TEMPERATURE (F) 27 4 1960  
 
SUNRISE AND SUNSET  
DECEMBER 13 2024......SUNRISE 725 AM EST SUNSET 439 PM EST  
DECEMBER 14 2024......SUNRISE 726 AM EST SUNSET 439 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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