188  
CDUS41 KPHI 290605  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
105 AM EST MON JAN 29 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 28 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 42 12:48 AM 60 2002 38 4 50  
MINIMUM 37 11:03 PM -7 1935 21 16 23  
AVERAGE 40 30 10 37  
 
PRECIPITATION (IN)  
YESTERDAY 1.00 1.55 1994 0.10 0.90 0.00  
MONTH TO DATE 6.30 2.98 3.32 4.00  
SINCE DEC 1 14.92 6.84 8.08 8.43  
SINCE JAN 1 6.30 2.98 3.32 4.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1922 0.4 -0.4 0.0  
MONTH TO DATE 10.4 8.5 1.9 1.5  
SINCE DEC 1 10.4 13.1 -2.7 2.9  
SINCE JUL 1 10.4 14.2 -3.8 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 35 -10 28  
MONTH TO DATE 917 975 -58 741  
SINCE DEC 1 1707 1907 -200 1730  
SINCE JUL 1 2794 2946 -152 2831  
 
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 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 79 12:00 AM  
AVERAGE 86  
   
......................................................
 
 
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 2024.......SUNRISE 7:15 AM EST SUNSET 5:15 PM EST  
JANUARY 30 2024.......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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