826  
CDUS41 KPHI 100601  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
201 AM EDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 9 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 59 12:53 PM 87 2007 68 -9 61  
MINIMUM 38 6:13 AM 26 2001 46 -8 33  
AVERAGE 49 57 -8 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.39 1976 0.15 -0.15 0.00  
1998  
MONTH TO DATE 0.28 1.37 -1.09 2.94  
SINCE SEP 1 4.31 6.21 -1.90 6.41  
SINCE JAN 1 33.48 37.49 -4.01 37.14  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 16 8 8 18  
MONTH TO DATE 38 64 -26 109  
SINCE SEP 1 119 133 -14 193  
SINCE JUL 1 119 137 -18 193  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 9 8 0  
SINCE SEP 1 129 117 12 90  
SINCE JAN 1 789 977 -188 982    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 12:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 1949  
MINIMUM TEMPERATURE (F) 46 30 1929  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 7:07 AM EDT SUNSET 6:30 PM EDT  
OCTOBER 11 2023.......SUNRISE 7:08 AM EDT SUNSET 6:28 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page Main Text Page