823  
CDUS41 KPHI 212133  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
433 PM EST WED DEC 21 2022  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 21 2022
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 40 3:48 PM 64 2018 42 -2 40  
MINIMUM 17 6:01 AM -3 1942 26 -9 17  
AVERAGE 29 34 -5 29  
 
PRECIPITATION (IN)  
TODAY 0.00 1.44 2012 0.11 -0.11 0.04  
MONTH TO DATE 2.97 2.74 0.23 0.63  
SINCE DEC 1 2.97 2.74 0.23 0.63  
SINCE JAN 1 45.01 46.24 -1.23 44.01  
 
SNOWFALL (IN)  
TODAY 0.0 4.1 1959 0.2 -0.2 0.0  
MONTH TO DATE 1.3 2.9 -1.6 T  
SINCE DEC 1 1.3 2.9 -1.6 T  
SINCE JUL 1 1.3 4.0 -2.7 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 36 31 5 36  
MONTH TO DATE 636 606 30 540  
SINCE DEC 1 636 606 30 540  
SINCE JUL 1 1737 1645 92 1497  
 
COOLING  
TODAY 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 6 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 0.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 6:00 AM  
LOWEST 46 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 65 2013  
MINIMUM TEMPERATURE (F) 26 -2 1944  
 
SUNRISE AND SUNSET  
DECEMBER 21 2022......SUNRISE 7:22 AM EST SUNSET 4:38 PM EST  
DECEMBER 22 2022......SUNRISE 7:23 AM EST SUNSET 4:38 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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