062  
CDUS41 KPHI 122130  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
530 PM EDT FRI SEP 12 2025  
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 12 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 80 2:53 PM 93 1931 79 1 81  
MINIMUM 51 6:02 AM 37 1967 57 -6 52  
AVERAGE 66 68 -2 67  
 
PRECIPITATION (IN)  
TODAY 0.00 3.28 1960 0.14 -0.14 0.00  
MONTH TO DATE 2.07 1.75 0.32 0.44  
SINCE SEP 1 2.07 1.75 0.32 0.44  
SINCE JAN 1 30.37 33.03 -2.66 35.06  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 9 9 0 25  
SINCE SEP 1 9 9 0 25  
SINCE JUL 1 21 13 8 34  
 
COOLING  
TODAY 1 4 -3 2  
MONTH TO DATE 30 63 -33 13  
SINCE SEP 1 30 63 -33 13  
SINCE JAN 1 849 923 -74 949    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 69  
   
......................................................  
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 1952  
MINIMUM TEMPERATURE (F) 56 39 1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2025.....SUNRISE 6:40 AM EDT SUNSET 7:15 PM EDT  
SEPTEMBER 13 2025.....SUNRISE 6:41 AM EDT SUNSET 7:13 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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