393  
CDUS41 KPHI 220610  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
110 AM EST SUN JAN 22 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 21 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 2:44 AM 63 1959 38 1 24  
MINIMUM 34 11:59 PM -15 1994 21 13 10  
AVERAGE 37 30 7 17  
 
PRECIPITATION (IN)  
YESTERDAY T 1.42 1979 0.10 -0.10 0.00  
MONTH TO DATE 2.32 2.24 0.08 2.18  
SINCE DEC 1 6.75 6.10 0.65 3.47  
SINCE JAN 1 2.32 2.24 0.08 2.18  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 2001 0.4 -0.4 0.0  
MONTH TO DATE T 5.9 -5.9 6.9  
SINCE DEC 1 1.4 10.5 -9.1 6.9  
SINCE JUL 1 1.4 11.6 -10.2 6.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 35 -7 48  
MONTH TO DATE 533 727 -194 793  
SINCE DEC 1 1522 1659 -137 1590  
SINCE JUL 1 2623 2698 -75 2547  
 
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 N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 3:00 AM  
LOWEST 54 1:00 PM  
AVERAGE 68  
   
......................................................
 
 
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 2023.......SUNRISE 7:20 AM EST SUNSET 5:07 PM EST  
JANUARY 23 2023.......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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