778  
CDUS41 KPHI 040559  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
159 AM EDT MON SEP 04 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 3 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 88 3:30 PM 99 1953 82 6 85  
MINIMUM 60 5:15 AM 41 1967 59 1 59  
AVERAGE 74 70 4 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1966 0.15 -0.15 0.00  
MONTH TO DATE T 0.44 -0.44 0.00  
SINCE SEP 1 T 0.44 -0.44 0.00  
SINCE JAN 1 29.17 31.72 -2.55 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 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE SEP 1 2 0 2 0  
SINCE JUL 1 2 4 -2 0  
 
COOLING  
YESTERDAY 9 6 3 7  
MONTH TO DATE 9 18 -9 14  
SINCE SEP 1 9 18 -9 14  
SINCE JAN 1 669 878 -209 906    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.3  
 
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 93 6:00 AM  
LOWEST 40 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 1929  
1937  
MINIMUM TEMPERATURE (F) 59 44 1946  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 6:32 AM EDT SUNSET 7:29 PM EDT  
SEPTEMBER 5 2023.....SUNRISE 6:32 AM EDT SUNSET 7:28 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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