529  
CDUS41 KPHI 290604  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
104 AM EST SUN JAN 29 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 28 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 50 4:07 PM 60 2002 38 12 32  
MINIMUM 23 12:01 AM -7 1935 21 2 25  
AVERAGE 37 30 7 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.55 1994 0.10 -0.10 0.07  
MONTH TO DATE 4.00 2.98 1.02 2.27  
SINCE DEC 1 8.43 6.84 1.59 3.56  
SINCE JAN 1 4.00 2.98 1.02 2.27  
 
SNOWFALL (IN)  
YESTERDAY MM 6.0 1922 0.4 MM 0.5  
MONTH TO DATE 1.5 8.5 -7.0 7.8  
SINCE DEC 1 2.9 13.1 -10.2 7.8  
SINCE JUL 1 2.9 14.2 -11.3 7.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 35 -7 36  
MONTH TO DATE 741 975 -234 1087  
SINCE DEC 1 1730 1907 -177 1884  
SINCE JUL 1 2831 2946 -115 2841  
 
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 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 8:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 66 2002  
MINIMUM TEMPERATURE (F) 21 -9 1963  
 
SUNRISE AND SUNSET  
JANUARY 29 2023.......SUNRISE 7:14 AM EST SUNSET 5:16 PM EST  
JANUARY 30 2023.......SUNRISE 7:14 AM EST SUNSET 5:17 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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