563  
CDUS41 KPHI 090602  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
102 AM EST FRI DEC 09 2022  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 8 2022
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 1:12 AM 67 1980 45 8 36  
MINIMUM 36 11:59 PM 3 1926 28 8 29  
AVERAGE 45 37 8 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.88 1974 0.14 -0.14 T  
MONTH TO DATE 1.74 1.09 0.65 0.27  
SINCE DEC 1 1.74 1.09 0.65 0.27  
SINCE JAN 1 43.78 44.59 -0.81 43.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1917 0.1 -0.1 T  
MONTH TO DATE 0.0 1.0 -1.0 T  
SINCE DEC 1 0.0 1.0 -1.0 T  
SINCE JUL 1 T 2.1 -2.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 28 -8 32  
MONTH TO DATE 210 217 -7 200  
SINCE DEC 1 210 217 -7 200  
SINCE JUL 1 1311 1256 55 1157  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 986 981 5 997    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 51 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 66 1980  
MINIMUM TEMPERATURE (F) 28 7 1989  
2002  
 
SUNRISE AND SUNSET  
DECEMBER 9 2022......SUNRISE 7:14 AM EST SUNSET 4:34 PM EST  
DECEMBER 10 2022......SUNRISE 7:15 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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