089  
CDUS41 KPHI 090602  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
202 AM EDT MON OCT 09 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 8 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 57 12:28 PM 90 2007 69 -12 56  
MINIMUM 40 11:52 PM 29 1954 47 -7 36  
AVERAGE 49 58 -9 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 8.71 2005 0.15 -0.15 0.00  
MONTH TO DATE 0.28 1.22 -0.94 2.94  
SINCE SEP 1 4.31 6.06 -1.75 6.41  
SINCE JAN 1 33.48 37.34 -3.86 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 19  
MONTH TO DATE 22 56 -34 91  
SINCE SEP 1 103 125 -22 175  
SINCE JUL 1 103 129 -26 175  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 8 9 0  
SINCE SEP 1 129 116 13 90  
SINCE JAN 1 789 976 -187 982    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 4:00 AM  
LOWEST 51 1:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 2007  
MINIMUM TEMPERATURE (F) 46 26 2001  
 
SUNRISE AND SUNSET  
OCTOBER 9 2023.......SUNRISE 7:06 AM EDT SUNSET 6:31 PM EDT  
OCTOBER 10 2023.......SUNRISE 7:07 AM EDT SUNSET 6:30 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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