633  
CDUS41 KPHI 060609  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
109 AM EST WED DEC 06 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 5 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 41 5:28 PM 69 2001 46 -5 46  
MINIMUM 31 7:32 AM 11 1926 29 2 18  
AVERAGE 36 38 -2 32  
 
PRECIPITATION (IN)  
YESTERDAY T 2.57 1927 0.14 -0.14 0.00  
MONTH TO DATE 0.76 0.68 0.08 0.39  
SINCE DEC 1 0.76 0.68 0.08 0.39  
SINCE JAN 1 38.52 44.18 -5.66 42.43  
 
SNOWFALL (IN)  
YESTERDAY T 8.0 2002 0.1 -0.1 0.0  
MONTH TO DATE T 0.6 -0.6 0.0  
SINCE DEC 1 T 0.6 -0.6 0.0  
SINCE JUL 1 T 1.7 -1.7 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 27 2 33  
MONTH TO DATE 121 133 -12 149  
SINCE DEC 1 121 133 -12 149  
SINCE JUL 1 1208 1172 36 1250  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 790 981 -191 986    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 9:00 AM  
LOWEST 62 10:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 70 2001  
MINIMUM TEMPERATURE (F) 29 9 2002  
 
SUNRISE AND SUNSET  
DECEMBER 6 2023......SUNRISE 7:11 AM EST SUNSET 4:34 PM EST  
DECEMBER 7 2023......SUNRISE 7:12 AM EST SUNSET 4:34 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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