772  
CDUS41 KPHI 300558  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
158 AM EDT WED APR 30 2025  
   
...............................  
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 29 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 81 3:36 PM 88 2024 69 12 88  
MINIMUM 40 5:42 AM 29 1947 45 -5 54  
AVERAGE 61 57 4 71  
 
PRECIPITATION (IN)  
YESTERDAY T 1.76 1923 0.13 -0.13 0.00  
MONTH TO DATE 2.05 3.55 -1.50 4.41  
SINCE MAR 1 5.73 7.18 -1.45 9.55  
SINCE JAN 1 9.06 13.25 -4.19 18.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1951 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 4 9 -5 0  
MONTH TO DATE 375 395 -20 380  
SINCE MAR 1 993 1150 -157 1007  
SINCE JUL 1 5035 5116 -81 4746  
 
COOLING  
YESTERDAY 0 0 0 6  
MONTH TO DATE 1 0 1 6  
SINCE MAR 1 1 0 1 6  
SINCE JAN 1 1 0 1 6    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 32 1:00 PM  
AVERAGE 59  
   
......................................................  
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 1942  
MINIMUM TEMPERATURE (F) 45 29 1931  
 
SUNRISE AND SUNSET  
APRIL 30 2025.........SUNRISE 6:01 AM EDT SUNSET 7:57 PM EDT  
MAY 1 2025...........SUNRISE 6:00 AM EDT SUNSET 7:58 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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