105  
CDUS41 KPHI 230558  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1258 AM EST TUE JAN 23 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 22 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 3:48 PM 63 1959 38 -5 40  
MINIMUM 8 6:06 AM -12 1961 21 -13 33  
AVERAGE 21 30 -9 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.06 1987 0.11 -0.11 0.36  
MONTH TO DATE 4.66 2.35 2.31 2.68  
SINCE DEC 1 13.28 6.21 7.07 7.11  
SINCE JAN 1 4.66 2.35 2.31 2.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.1 1987 0.4 -0.4 T  
MONTH TO DATE 10.4 6.3 4.1 T  
SINCE DEC 1 10.4 10.9 -0.5 1.4  
SINCE JUL 1 10.4 12.0 -1.6 1.4  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 36 8 28  
MONTH TO DATE 769 763 6 561  
SINCE DEC 1 1559 1695 -136 1550  
SINCE JUL 1 2646 2734 -88 2651  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 7:00 AM  
LOWEST 43 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 62 1999  
MINIMUM TEMPERATURE (F) 21 -9 1961  
 
SUNRISE AND SUNSET  
JANUARY 23 2024.......SUNRISE 7:19 AM EST SUNSET 5:08 PM EST  
JANUARY 24 2024.......SUNRISE 7:19 AM EST SUNSET 5:09 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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