735  
CDUS41 KPHI 050601  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
201 AM EDT TUE SEP 05 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 4 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 3:02 PM 94 1929 81 10 89  
1937  
MINIMUM 66 3:41 AM 44 1946 59 7 66  
AVERAGE 79 70 9 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.86 1988 0.15 -0.15 0.00  
MONTH TO DATE T 0.59 -0.59 0.00  
SINCE SEP 1 T 0.59 -0.59 0.00  
SINCE JAN 1 29.17 31.87 -2.70 30.73  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 1 1 0  
SINCE SEP 1 2 1 1 0  
SINCE JUL 1 2 5 -3 0  
 
COOLING  
YESTERDAY 14 6 8 13  
MONTH TO DATE 23 24 -1 27  
SINCE SEP 1 23 24 -1 27  
SINCE JAN 1 683 884 -201 919    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 47 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 2018  
MINIMUM TEMPERATURE (F) 59 44 1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2023.....SUNRISE 6:32 AM EDT SUNSET 7:28 PM EDT  
SEPTEMBER 6 2023.....SUNRISE 6:33 AM EDT SUNSET 7:26 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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