551  
CDUS41 KPHI 310557  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1257 AM EST WED JAN 31 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 30 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 35 9:30 PM 66 1947 39 -4 54  
2013  
MINIMUM 32 8:54 AM -5 1928 21 11 31  
AVERAGE 34 30 4 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.96 1925 0.10 -0.09 0.01  
MONTH TO DATE 6.31 3.19 3.12 4.01  
SINCE DEC 1 14.93 7.05 7.88 8.44  
SINCE JAN 1 6.31 3.19 3.12 4.01  
 
SNOWFALL (IN)  
YESTERDAY T 9.6 1966 0.4 -0.4 0.0  
MONTH TO DATE 10.4 9.3 1.1 1.5  
SINCE DEC 1 10.4 13.9 -3.5 2.9  
SINCE JUL 1 10.4 15.0 -4.6 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 35 -4 22  
MONTH TO DATE 976 1045 -69 791  
SINCE DEC 1 1766 1977 -211 1780  
SINCE JUL 1 2853 3016 -163 2881  
 
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 9 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 11:00 PM  
LOWEST 58 12:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 60 1974  
MINIMUM TEMPERATURE (F) 21 -9 1948  
 
SUNRISE AND SUNSET  
JANUARY 31 2024.......SUNRISE 7:13 AM EST SUNSET 5:18 PM EST  
FEBRUARY 1 2024......SUNRISE 7:12 AM EST SUNSET 5:19 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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