137  
CDUS41 KPHI 070548  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1248 AM EST THU DEC 07 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 6 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 40 12:47 PM 70 2001 46 -6 54  
MINIMUM 30 11:59 PM 9 2002 29 1 26  
AVERAGE 35 37 -2 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.68 1953 0.13 -0.11 1.27  
MONTH TO DATE 0.78 0.81 -0.03 1.66  
SINCE DEC 1 0.78 0.81 -0.03 1.66  
SINCE JAN 1 38.54 44.31 -5.77 43.70  
 
SNOWFALL (IN)  
YESTERDAY T 3.5 1926 0.1 -0.1 0.0  
MONTH TO DATE T 0.7 -0.7 0.0  
SINCE DEC 1 T 0.7 -0.7 0.0  
SINCE JUL 1 T 1.8 -1.8 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 28 2 25  
MONTH TO DATE 151 161 -10 174  
SINCE DEC 1 151 161 -10 174  
SINCE JUL 1 1238 1200 38 1275  
 
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 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 10:00 AM  
LOWEST 51 11:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 71 1998  
MINIMUM TEMPERATURE (F) 29 4 1926  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 7:12 AM EST SUNSET 4:34 PM EST  
DECEMBER 8 2023......SUNRISE 7:13 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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