664  
CDUS41 KPHI 090557  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
157 AM EDT TUE APR 09 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 8 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 64 1:41 PM 90 1929 60 4 53  
MINIMUM 30 5:18 AM 20 1982 38 -8 29  
AVERAGE 47 49 -2 41  
 
PRECIPITATION (IN)  
YESTERDAY T 1.17 1983 0.13 -0.13 0.00  
MONTH TO DATE 3.60 0.96 2.64 0.48  
SINCE MAR 1 8.74 4.59 4.15 3.26  
SINCE JAN 1 17.39 10.66 6.73 8.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 1916 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 T 6.6 -6.6 1.2  
SINCE JUL 1 25.2 32.9 -7.7 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 16 2 24  
MONTH TO DATE 156 140 16 109  
SINCE MAR 1 783 895 -112 868  
SINCE JUL 1 4522 4861 -339 4573  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 1.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 5:00 AM  
LOWEST 23 1:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1922  
MINIMUM TEMPERATURE (F) 38 22 1977  
 
SUNRISE AND SUNSET  
APRIL 9 2024.........SUNRISE 6:32 AM EDT SUNSET 7:35 PM EDT  
APRIL 10 2024.........SUNRISE 6:30 AM EDT SUNSET 7:36 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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