326  
CDUS41 KPHI 252202  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
502 PM EST MON DEC 25 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 25 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 51 2:31 PM 65 1964 41 10 26  
MINIMUM 38 5:24 AM -2 1983 25 13 11  
AVERAGE 45 33 12 19  
 
PRECIPITATION (IN)  
TODAY T 1.70 1913 0.11 -0.11 0.00  
MONTH TO DATE 6.12 3.20 2.92 4.08  
SINCE DEC 1 6.12 3.20 2.92 4.08  
SINCE JAN 1 43.88 46.70 -2.82 46.12  
 
SNOWFALL (IN)  
TODAY 0.0 6.6 2002 0.2 -0.2 0.0  
MONTH TO DATE T 3.5 -3.5 1.4  
SINCE DEC 1 T 3.5 -3.5 1.4  
SINCE JUL 1 T 4.6 -4.6 1.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 32 -12 46  
MONTH TO DATE 658 734 -76 803  
SINCE DEC 1 658 734 -76 803  
SINCE JUL 1 1745 1773 -28 1904  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 790 981 -191 986    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 5:00 AM  
LOWEST 66 2:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 65 1964  
MINIMUM TEMPERATURE (F) 25 -3 1980  
 
SUNRISE AND SUNSET  
DECEMBER 25 2023......SUNRISE 7:24 AM EST SUNSET 4:40 PM EST  
DECEMBER 26 2023......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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