893  
CDUS41 KPHI 100557  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
157 AM EDT WED APR 10 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 9 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 77 3:23 PM 84 1922 61 16 59  
MINIMUM 38 5:25 AM 22 1977 38 0 26  
AVERAGE 58 49 9 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.88 1998 0.12 -0.12 0.00  
MONTH TO DATE 3.60 1.08 2.52 0.48  
SINCE MAR 1 8.74 4.71 4.03 3.26  
SINCE JAN 1 17.39 10.78 6.61 8.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 1911 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 7 16 -9 22  
MONTH TO DATE 163 156 7 131  
SINCE MAR 1 790 911 -121 890  
SINCE JUL 1 4529 4877 -348 4595  
 
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 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 3.9  
 
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 89 6:00 AM  
LOWEST 20 5:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 86 2013  
MINIMUM TEMPERATURE (F) 38 23 1950  
 
SUNRISE AND SUNSET  
APRIL 10 2024.........SUNRISE 6:30 AM EDT SUNSET 7:36 PM EDT  
APRIL 11 2024.........SUNRISE 6:28 AM EDT SUNSET 7:37 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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