835  
CDUS41 KPHI 110608  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
208 AM EDT WED OCT 11 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 10 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 63 3:05 PM 89 1949 68 -5 67  
MINIMUM 38 5:08 AM 30 1929 46 -8 36  
AVERAGE 51 57 -6 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.76 1971 0.14 -0.11 0.00  
MONTH TO DATE 0.31 1.51 -1.20 2.94  
SINCE SEP 1 4.34 6.35 -2.01 6.41  
SINCE JAN 1 33.51 37.63 -4.12 37.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1979 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 14 9 5 13  
MONTH TO DATE 52 73 -21 122  
SINCE SEP 1 133 142 -9 206  
SINCE JUL 1 133 146 -13 206  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 10 7 0  
SINCE SEP 1 129 118 11 90  
SINCE JAN 1 789 978 -189 982    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 38 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 86 1949  
MINIMUM TEMPERATURE (F) 46 28 1943  
 
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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