211  
CDUS41 KPHI 100602  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
202 AM EDT TUE JUN 10 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JUNE 9 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 72 4:58 PM 98 1933 80 -8 77  
MINIMUM 60 6:53 AM 40 1957 58 2 56  
AVERAGE 66 69 -3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.22 1977 0.14 -0.08 0.00  
MONTH TO DATE 0.48 1.27 -0.79 0.40  
SINCE JUN 1 0.48 1.27 -0.79 0.40  
SINCE JAN 1 19.99 18.29 1.70 23.52  
 
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 17.8 33.1 -15.3 25.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 18 14 4 0  
SINCE JUN 1 18 14 4 0  
SINCE JUL 1 5201 5289 -88 4860  
 
COOLING  
YESTERDAY 1 5 -4 2  
MONTH TO DATE 34 39 -5 47  
SINCE JUN 1 34 39 -5 47  
SINCE JAN 1 61 107 -46 130    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 73 4:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 2008  
MINIMUM TEMPERATURE (F) 59 43 1988  
 
SUNRISE AND SUNSET  
JUNE 10 2025..........SUNRISE 5:30 AM EDT SUNSET 8:32 PM EDT  
JUNE 11 2025..........SUNRISE 5:30 AM EDT SUNSET 8:33 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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