090  
CDUS41 KPHI 010605  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
105 AM EST SAT FEB 01 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 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 39 10:03 PM 60 1974 39 0 39  
MINIMUM 27 12:28 AM -9 1948 21 6 30  
AVERAGE 33 30 3 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 1.63 2013 0.11 0.10 0.01  
MONTH TO DATE 0.86 3.30 -2.44 6.32  
SINCE DEC 1 4.72 7.16 -2.44 14.94  
SINCE JAN 1 0.86 3.30 -2.44 6.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 2000 0.5 -0.5 T  
MONTH TO DATE 8.6 9.8 -1.2 10.4  
SINCE DEC 1 13.4 14.4 -1.0 10.4  
SINCE JUL 1 13.4 15.5 -2.1 10.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 35 -3 30  
MONTH TO DATE 1230 1080 150 1006  
SINCE DEC 1 2231 2012 219 1796  
SINCE JUL 1 3100 3051 49 2883  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 PM  
LOWEST 69 12:00 AM  
AVERAGE 83  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 65 1989  
MINIMUM TEMPERATURE (F) 21 -5 1935  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2025......SUNRISE 7:11 AM EST SUNSET 5:20 PM EST  
FEBRUARY 2 2025......SUNRISE 7:10 AM EST SUNSET 5:21 PM EST  
 
- 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