253  
CDUS41 KPHI 070554  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
154 AM EDT MON APR 07 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 6 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 53 4:35 PM 84 1929 59 -6 53  
MINIMUM 45 6:15 AM 18 1982 37 8 38  
AVERAGE 49 48 1 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.56 1936 0.12 -0.10 T  
MONTH TO DATE 0.45 0.72 -0.27 3.60  
SINCE MAR 1 4.13 4.35 -0.22 8.74  
SINCE JAN 1 7.46 10.42 -2.96 17.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.4 1982 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 0.0 6.6 -6.6 T  
SINCE JUL 1 17.8 32.9 -15.1 25.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 17 -1 19  
MONTH TO DATE 88 107 -19 124  
SINCE MAR 1 706 862 -156 751  
SINCE JUL 1 4748 4828 -80 4490  
 
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 15 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 49 9:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 92 2010  
MINIMUM TEMPERATURE (F) 37 16 1982  
 
SUNRISE AND SUNSET  
APRIL 7 2025.........SUNRISE 6:35 AM EDT SUNSET 7:33 PM EDT  
APRIL 8 2025.........SUNRISE 6:34 AM EDT SUNSET 7:34 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page Main Text Page