034  
CDUS41 KPHI 230607  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
207 AM EDT WED APR 23 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 22 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 1:16 PM 92 1985 66 8 63  
MINIMUM 50 11:38 PM 28 1981 43 7 30  
AVERAGE 62 54 8 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.66 2012 0.12 -0.12 0.00  
MONTH TO DATE 1.82 2.67 -0.85 4.36  
SINCE MAR 1 5.50 6.30 -0.80 9.50  
SINCE JAN 1 8.83 12.37 -3.54 18.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1986 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE MAR 1 0.0 6.8 -6.8 T  
SINCE JUL 1 17.8 33.1 -15.3 25.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 11 -8 18  
MONTH TO DATE 342 327 15 304  
SINCE MAR 1 960 1082 -122 931  
SINCE JUL 1 5002 5048 -46 4670  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 5:00 AM  
LOWEST 31 6:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 89 1960  
MINIMUM TEMPERATURE (F) 43 28 1933  
1936  
1945  
 
SUNRISE AND SUNSET  
APRIL 23 2025.........SUNRISE 6:11 AM EDT SUNSET 7:50 PM EDT  
APRIL 24 2025.........SUNRISE 6:09 AM EDT SUNSET 7:51 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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