662  
CDUS41 KPHI 190558  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1258 AM EST SUN JAN 19 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 18 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 11:18 AM 63 2006 38 1 30  
MINIMUM 23 1:57 AM -10 1954 21 2 6  
AVERAGE 31 30 1 18  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.22 2006 0.10 -0.09 0.00  
MONTH TO DATE 0.23 1.92 -1.69 4.53  
SINCE DEC 1 4.09 5.78 -1.69 13.15  
SINCE JAN 1 0.23 1.92 -1.69 4.53  
 
SNOWFALL (IN)  
YESTERDAY T 4.5 1930 0.4 -0.4 0.0  
MONTH TO DATE 2.9 4.9 -2.0 8.8  
SINCE DEC 1 7.7 9.5 -1.8 8.8  
SINCE JUL 1 7.7 10.6 -2.9 8.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 35 -1 47  
MONTH TO DATE 667 622 45 592  
SINCE DEC 1 1668 1554 114 1382  
SINCE JUL 1 2537 2593 -56 2469  
 
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 10 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 9:00 PM  
LOWEST 63 12:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 60 1949  
MINIMUM TEMPERATURE (F) 21 -11 1994  
 
SUNRISE AND SUNSET  
JANUARY 19 2025.......SUNRISE 7:21 AM EST SUNSET 5:04 PM EST  
JANUARY 20 2025.......SUNRISE 7:21 AM EST SUNSET 5:05 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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