696  
CDUS41 KPHI 130554  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST TUE DEC 13 2022  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 12 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 39 12:40 PM 63 1931 44 -5 46  
MINIMUM 25 11:59 PM 2 1988 28 -3 29  
AVERAGE 32 36 -4 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.10 1983 0.14 -0.14 0.00  
MONTH TO DATE 1.90 1.64 0.26 0.45  
SINCE DEC 1 1.90 1.64 0.26 0.45  
SINCE JAN 1 43.94 45.14 -1.20 43.83  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.9 1960 0.1 -0.1 0.0  
MONTH TO DATE T 1.5 -1.5 T  
SINCE DEC 1 T 1.5 -1.5 T  
SINCE JUL 1 T 2.6 -2.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 29 4 27  
MONTH TO DATE 337 332 5 299  
SINCE DEC 1 337 332 5 299  
SINCE JUL 1 1438 1371 67 1256  
 
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 16 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 67 7:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 68 2015  
MINIMUM TEMPERATURE (F) 27 5 1960  
1988  
1995  
 
SUNRISE AND SUNSET  
DECEMBER 13 2022......SUNRISE 7:17 AM EST SUNSET 4:35 PM EST  
DECEMBER 14 2022......SUNRISE 7:18 AM EST SUNSET 4:35 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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