309  
CDUS41 KPHI 112138  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
538 PM EDT WED OCT 11 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 11 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 68 3:18 PM 86 1949 67 1 71  
MINIMUM 40 5:37 AM 28 1943 46 -6 39  
AVERAGE 54 56 -2 55  
 
PRECIPITATION (IN)  
TODAY 0.00 2.55 2002 0.14 -0.14 0.00  
MONTH TO DATE 0.31 1.65 -1.34 2.94  
SINCE SEP 1 4.34 6.49 -2.15 6.41  
SINCE JAN 1 33.51 37.77 -4.26 37.14  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
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  
TODAY 11 9 2 10  
MONTH TO DATE 63 82 -19 132  
SINCE SEP 1 144 151 -7 216  
SINCE JUL 1 144 155 -11 216  
 
COOLING  
TODAY 0 1 -1 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 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 37 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 86 1928  
MINIMUM TEMPERATURE (F) 45 25 1964  
 
SUNRISE AND SUNSET  
OCTOBER 11 2023.......SUNRISE 7:08 AM EDT SUNSET 6:28 PM EDT  
OCTOBER 12 2023.......SUNRISE 7:09 AM EDT SUNSET 6:26 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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