351  
CDUS41 KPHI 200546  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1246 AM EST SAT JAN 20 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 19 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 27 6:58 PM 60 1949 38 -11 40  
MINIMUM 19 11:48 PM -11 1994 21 -2 35  
AVERAGE 23 30 -7 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 1.93 1996 0.11 0.02 0.89  
MONTH TO DATE 4.66 2.03 2.63 2.32  
SINCE DEC 1 13.28 5.89 7.39 6.75  
SINCE JAN 1 4.66 2.03 2.63 2.32  
 
SNOWFALL (IN)  
YESTERDAY 1.6 10.9 1961 0.3 1.3 T  
MONTH TO DATE 10.4 5.2 5.2 T  
SINCE DEC 1 10.4 9.8 0.6 1.4  
SINCE JUL 1 10.4 10.9 -0.5 1.4  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 35 7 27  
MONTH TO DATE 634 657 -23 479  
SINCE DEC 1 1424 1589 -165 1468  
SINCE JUL 1 2511 2628 -117 2569  
 
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 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 11:00 AM  
LOWEST 62 10:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 56 1951  
MINIMUM TEMPERATURE (F) 21 -6 1994  
 
SUNRISE AND SUNSET  
JANUARY 20 2024.......SUNRISE 7:21 AM EST SUNSET 5:04 PM EST  
JANUARY 21 2024.......SUNRISE 7:21 AM EST SUNSET 5:06 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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