484  
CDUS41 KPHI 242126  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
426 PM EST TUE DEC 24 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 24 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 34 3:58 PM 71 2015 41 -7 43  
MINIMUM 22 7:26 AM -5 1989 25 -3 36  
AVERAGE 28 33 -5 40  
 
PRECIPITATION (IN)  
TODAY 0.07 1.53 2020 0.11 -0.04 0.01  
MONTH TO DATE 2.62 3.09 -0.47 6.12  
SINCE DEC 1 2.62 3.09 -0.47 6.12  
SINCE JAN 1 40.82 46.59 -5.77 43.88  
 
SNOWFALL (IN)  
TODAY 0.3 13.5 1912 0.1 0.2 0.0  
MONTH TO DATE 4.4 3.3 1.1 T  
SINCE DEC 1 4.4 3.3 1.1 T  
SINCE JUL 1 4.4 4.4 0.0 T  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
TODAY 37 32 5 25  
MONTH TO DATE 804 702 102 638  
SINCE DEC 1 804 702 102 638  
SINCE JUL 1 1673 1741 -68 1725  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 994 981 13 790    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 AM  
LOWEST 55 12:00 AM  
AVERAGE 72  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 65 1964  
MINIMUM TEMPERATURE (F) 25 -2 1983  
 
SUNRISE AND SUNSET  
DECEMBER 24 2024......SUNRISE 7:24 AM EST SUNSET 4:40 PM EST  
DECEMBER 25 2024......SUNRISE 7:24 AM EST SUNSET 4:40 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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