749  
CDUS41 KPHI 010603  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
103 AM EST THU FEB 01 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 31 2024
 
 
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)  
YESTERDAY  
MAXIMUM 39 4:17 PM 60 1974 39 0 44  
MINIMUM 30 11:38 PM -9 1948 21 9 30  
AVERAGE 35 30 5 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.63 2013 0.11 -0.10 0.06  
MONTH TO DATE 6.32 3.30 3.02 4.07  
SINCE DEC 1 14.94 7.16 7.78 8.50  
SINCE JAN 1 6.32 3.30 3.02 4.07  
 
SNOWFALL (IN)  
YESTERDAY T 6.0 2000 0.5 -0.5 T  
MONTH TO DATE 10.4 9.8 0.6 1.5  
SINCE DEC 1 10.4 14.4 -4.0 2.9  
SINCE JUL 1 10.4 15.5 -5.1 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 35 -5 28  
MONTH TO DATE 1006 1080 -74 819  
SINCE DEC 1 1796 2012 -216 1808  
SINCE JUL 1 2883 3051 -168 2909  
 
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 8 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 AM  
LOWEST 76 1:00 PM  
AVERAGE 84  
   
......................................................
 
 
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 2024......SUNRISE 7:12 AM EST SUNSET 5:19 PM EST  
FEBRUARY 2 2024......SUNRISE 7:11 AM EST SUNSET 5:20 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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