158  
CDUS41 KPHI 220603  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
203 AM EDT SUN OCT 22 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 21 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 61 1:54 PM 85 1947 64 -3 63  
MINIMUM 51 11:59 PM 23 1972 42 9 28  
AVERAGE 56 53 3 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.04 1995 0.13 -0.12 0.00  
MONTH TO DATE 1.39 3.00 -1.61 4.58  
SINCE SEP 1 5.42 7.84 -2.42 8.05  
SINCE JAN 1 34.59 39.12 -4.53 38.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 12 -3 19  
MONTH TO DATE 183 191 -8 282  
SINCE SEP 1 264 260 4 366  
SINCE JUL 1 264 264 0 366  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 17 11 6 0  
SINCE SEP 1 129 119 10 90  
SINCE JAN 1 789 979 -190 982    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 53 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 84 1979  
MINIMUM TEMPERATURE (F) 42 21 1940  
 
SUNRISE AND SUNSET  
OCTOBER 22 2023.......SUNRISE 7:20 AM EDT SUNSET 6:12 PM EDT  
OCTOBER 23 2023.......SUNRISE 7:21 AM EDT SUNSET 6:10 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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