257  
CDUS41 KPHI 170612  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
112 AM EST WED JAN 17 2024  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 16 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 4:12 PM 62 1995 38 -11 45  
MINIMUM 17 11:57 PM 0 1994 22 -5 18  
2004  
AVERAGE 22 30 -8 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 0.85 1945 0.11 0.12 0.00  
MONTH TO DATE 4.53 1.71 2.82 1.43  
SINCE DEC 1 13.15 5.57 7.58 5.86  
SINCE JAN 1 4.53 1.71 2.82 1.43  
 
SNOWFALL (IN)  
YESTERDAY 2.4 9.9 1945 0.3 2.1 0.0  
MONTH TO DATE 8.8 4.2 4.6 T  
SINCE DEC 1 8.8 8.8 0.0 1.4  
SINCE JUL 1 8.8 9.9 -1.1 1.4  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 35 8 33  
MONTH TO DATE 494 552 -58 401  
SINCE DEC 1 1284 1484 -200 1390  
SINCE JUL 1 2371 2523 -152 2491  
 
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 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 52 9:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 61 1990  
MINIMUM TEMPERATURE (F) 21 -8 1982  
 
SUNRISE AND SUNSET  
JANUARY 17 2024.......SUNRISE 7:23 AM EST SUNSET 5:01 PM EST  
JANUARY 18 2024.......SUNRISE 7:22 AM EST SUNSET 5:02 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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