764  
CDUS41 KPHI 110554  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
154 AM EDT SUN AUG 11 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR AUGUST 10 2024
 
 
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)  
YESTERDAY  
MAXIMUM 84 1:23 PM 99 1949 85 -1 74  
MINIMUM 64 11:59 PM 51 1964 64 0 63  
1972  
1999  
AVERAGE 74 74 0 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.80 1912 0.15 -0.15 0.47  
MONTH TO DATE 2.95 1.64 1.31 2.14  
SINCE JUN 1 8.82 11.34 -2.52 12.39  
SINCE JAN 1 31.94 28.36 3.58 26.53  
 
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 JUN 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 0 0 0 0  
SINCE JUN 1 3 20 -17 28  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 9 9 0 4  
MONTH TO DATE 122 99 23 63  
SINCE JUN 1 738 623 115 497  
SINCE JAN 1 821 691 130 517    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 1949  
MINIMUM TEMPERATURE (F) 64 47 1972  
 
SUNRISE AND SUNSET  
AUGUST 11 2024........SUNRISE 6:09 AM EDT SUNSET 8:04 PM EDT  
AUGUST 12 2024........SUNRISE 6:10 AM EDT SUNSET 8:03 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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