704  
CDUS41 KPHI 270543  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
143 AM EDT WED SEP 27 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 26 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 60 5:41 PM 90 1970 74 -14 72  
2007  
MINIMUM 54 11:59 PM 35 1932 51 3 50  
1947  
1967  
AVERAGE 57 62 -5 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.00 1985 0.17 -0.15 T  
MONTH TO DATE 3.89 4.12 -0.23 3.47  
SINCE SEP 1 3.89 4.12 -0.23 3.47  
SINCE JAN 1 33.06 35.40 -2.34 34.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 4 4 4  
MONTH TO DATE 56 49 7 43  
SINCE SEP 1 56 49 7 43  
SINCE JUL 1 56 53 3 43  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 112 102 10 90  
SINCE SEP 1 112 102 10 90  
SINCE JAN 1 772 962 -190 982    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 PM  
LOWEST 78 4:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 2017  
MINIMUM TEMPERATURE (F) 51 31 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 6:54 AM EDT SUNSET 6:51 PM EDT  
SEPTEMBER 28 2023.....SUNRISE 6:55 AM EDT SUNSET 6:49 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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