999  
CDUS41 KPHI 100559  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
159 AM EDT MON JUL 10 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JULY 9 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 9:39 AM 103 1936 87 -7 87  
MINIMUM 66 9:19 PM 48 1963 65 1 64  
AVERAGE 73 76 -3 76  
 
PRECIPITATION (IN)  
YESTERDAY 2.10 4.15 1952 0.17 1.93 0.00  
MONTH TO DATE 3.46 1.42 2.04 0.18  
SINCE JUN 1 7.44 5.82 1.62 4.10  
SINCE JAN 1 21.58 22.84 -1.26 25.69  
 
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 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 28 19 9 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 8 11 -3 11  
MONTH TO DATE 113 92 21 95  
SINCE JUN 1 216 288 -72 216  
SINCE JAN 1 236 356 -120 276    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 PM  
LOWEST 74 12:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 103 1936  
MINIMUM TEMPERATURE (F) 65 51 1953  
 
SUNRISE AND SUNSET  
JULY 10 2023..........SUNRISE 5:40 AM EDT SUNSET 8:34 PM EDT  
JULY 11 2023..........SUNRISE 5:40 AM EDT SUNSET 8:34 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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