963  
CDUS41 KPHI 220548  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1248 AM EST MON JAN 22 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 21 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 30 4:12 PM 63 1959 38 -8 39  
MINIMUM 16 11:06 PM -15 1994 21 -5 34  
AVERAGE 23 30 -7 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1979 0.10 -0.10 T  
MONTH TO DATE 4.66 2.24 2.42 2.32  
SINCE DEC 1 13.28 6.10 7.18 6.75  
SINCE JAN 1 4.66 2.24 2.42 2.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 2001 0.4 -0.4 0.0  
MONTH TO DATE 10.4 5.9 4.5 T  
SINCE DEC 1 10.4 10.5 -0.1 1.4  
SINCE JUL 1 10.4 11.6 -1.2 1.4  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 35 7 28  
MONTH TO DATE 725 727 -2 533  
SINCE DEC 1 1515 1659 -144 1522  
SINCE JUL 1 2602 2698 -96 2623  
 
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 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 1:00 AM  
LOWEST 37 7:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 1959  
MINIMUM TEMPERATURE (F) 21 -12 1961  
 
SUNRISE AND SUNSET  
JANUARY 22 2024.......SUNRISE 7:20 AM EST SUNSET 5:07 PM EST  
JANUARY 23 2024.......SUNRISE 7:19 AM EST SUNSET 5:08 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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