207  
CDUS41 KPHI 172132  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
532 PM EDT TUE SEP 17 2024  
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 17 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 3:02 PM 93 1991 77 1 73  
MINIMUM 57 2:38 AM 39 1959 55 2 48  
1986  
2007  
AVERAGE 68 66 2 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.83 1958 0.17 -0.17 0.23  
MONTH TO DATE 0.44 2.57 -2.13 2.35  
SINCE SEP 1 0.44 2.57 -2.13 2.35  
SINCE JAN 1 35.06 33.85 1.21 31.52  
 
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 2 -2 4  
MONTH TO DATE 27 19 8 9  
SINCE SEP 1 27 19 8 9  
SINCE JUL 1 36 23 13 9  
 
COOLING  
TODAY 3 3 0 0  
MONTH TO DATE 26 81 -55 112  
SINCE SEP 1 26 81 -55 112  
SINCE JAN 1 962 941 21 772    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 90 1965  
MINIMUM TEMPERATURE (F) 55 36 1990  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 6:45 AM EDT SUNSET 7:06 PM EDT  
SEPTEMBER 18 2024.....SUNRISE 6:46 AM EDT SUNSET 7:05 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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