553  
CDUS41 KPHI 202149  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
549 PM EDT MON OCT 20 2025  
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 20 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 67 12:11 AM 78 1936 64 3 75  
MINIMUM 53 8:19 AM 24 1972 42 11 32  
AVERAGE 60 53 7 54  
 
PRECIPITATION (IN)  
TODAY 0.11 1.65 1976 0.14 -0.03 0.00  
MONTH TO DATE 0.78 2.87 -2.09 0.01  
SINCE SEP 1 3.44 7.71 -4.27 1.31  
SINCE JAN 1 31.74 38.99 -7.25 35.93  
 
SNOWFALL (IN)  
TODAY 0.0 0.5 1940 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 12 -7 11  
MONTH TO DATE 142 179 -37 174  
SINCE SEP 1 156 248 -92 213  
SINCE JUL 1 168 252 -84 222  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 5 11 -6 0  
SINCE SEP 1 105 119 -14 55  
SINCE JAN 1 924 979 -55 991    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 51 4:00 PM  
AVERAGE 72  
   
......................................................  
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 85 1947  
MINIMUM TEMPERATURE (F) 42 23 1972  
 
SUNRISE AND SUNSET  
OCTOBER 20 2025.......SUNRISE 7:19 AM EDT SUNSET 6:14 PM EDT  
OCTOBER 21 2025.......SUNRISE 7:20 AM EDT SUNSET 6:12 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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