821  
CDUS41 KPHI 270626  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
126 AM EST FRI JAN 27 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 26 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 42 3:48 PM 72 1950 38 4 27  
MINIMUM 30 11:59 PM -3 1948 21 9 11  
AVERAGE 36 30 6 19  
 
PRECIPITATION (IN)  
YESTERDAY T 1.63 1976 0.10 -0.10 0.00  
MONTH TO DATE 4.00 2.78 1.22 2.20  
SINCE DEC 1 8.43 6.64 1.79 3.49  
SINCE JAN 1 4.00 2.78 1.22 2.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.3 2011 0.4 -0.4 0.0  
MONTH TO DATE 1.5 7.7 -6.2 7.3  
SINCE DEC 1 2.9 12.3 -9.4 7.3  
SINCE JUL 1 2.9 13.4 -10.5 7.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 35 -6 46  
MONTH TO DATE 680 905 -225 1004  
SINCE DEC 1 1669 1837 -168 1801  
SINCE JUL 1 2770 2876 -106 2758  
 
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 28 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 53 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 66 1974  
MINIMUM TEMPERATURE (F) 21 -5 1994  
 
SUNRISE AND SUNSET  
JANUARY 27 2023.......SUNRISE 7:16 AM EST SUNSET 5:13 PM EST  
JANUARY 28 2023.......SUNRISE 7:15 AM EST SUNSET 5:14 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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