666  
CDUS41 KPHI 010605  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
205 AM EDT TUE APR 01 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MARCH 31 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 3:50 PM 86 1998 57 21 57  
MINIMUM 47 4:02 AM 11 1923 35 12 41  
AVERAGE 63 46 17 49  
 
PRECIPITATION (IN)  
YESTERDAY 1.79 1.80 2022 0.12 1.67 T  
MONTH TO DATE 3.68 3.63 0.05 5.14  
SINCE MAR 1 3.68 3.63 0.05 5.14  
SINCE JAN 1 7.01 9.70 -2.69 13.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.1 1997 0.1 -0.1 0.0  
MONTH TO DATE 0.0 6.3 -6.3 T  
SINCE MAR 1 0.0 6.3 -6.3 T  
SINCE JUL 1 17.8 32.6 -14.8 25.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 19 -17 16  
MONTH TO DATE 618 754 -136 627  
SINCE MAR 1 618 754 -136 627  
SINCE JUL 1 4660 4720 -60 4366  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 PM  
LOWEST 43 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 84 1978  
MINIMUM TEMPERATURE (F) 35 12 1923  
 
SUNRISE AND SUNSET  
APRIL 1 2025.........SUNRISE 6:45 AM EDT SUNSET 7:27 PM EDT  
APRIL 2 2025.........SUNRISE 6:43 AM EDT SUNSET 7:28 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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