329  
CDUS41 KPHI 120618  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
118 AM EST SUN JAN 12 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 11 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 32 11:59 PM 68 2020 38 -6 46  
MINIMUM 20 8:27 AM -11 1942 22 -2 37  
AVERAGE 26 30 -4 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.40 2014 0.11 -0.06 0.00  
MONTH TO DATE 0.14 1.16 -1.02 3.39  
SINCE DEC 1 4.00 5.02 -1.02 12.01  
SINCE JAN 1 0.14 1.16 -1.02 3.39  
 
SNOWFALL (IN)  
YESTERDAY 0.6 9.0 1922 0.3 0.3 0.0  
MONTH TO DATE 1.8 2.5 -0.7 5.8  
SINCE DEC 1 6.6 7.1 -0.5 5.8  
SINCE JUL 1 6.6 8.2 -1.6 5.8  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 35 4 23  
MONTH TO DATE 403 377 26 323  
SINCE DEC 1 1404 1309 95 1113  
SINCE JUL 1 2273 2348 -75 2200  
 
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 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 7:00 AM  
LOWEST 51 12:00 AM  
AVERAGE 72  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 68 2020  
MINIMUM TEMPERATURE (F) 22 -6 1968  
 
SUNRISE AND SUNSET  
JANUARY 12 2025.......SUNRISE 7:24 AM EST SUNSET 4:56 PM EST  
JANUARY 13 2025.......SUNRISE 7:24 AM EST SUNSET 4:57 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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