619  
CDUS41 KPHI 190601  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
201 AM EDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR AUGUST 18 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 78 2:21 PM 95 2002 84 -6 87  
MINIMUM 61 9:22 PM 47 1981 63 -2 55  
AVERAGE 70 74 -4 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 3.34 1955 0.15 0.18 0.00  
MONTH TO DATE 4.00 2.82 1.18 0.18  
SINCE JUN 1 14.25 12.52 1.73 6.48  
SINCE JAN 1 28.39 29.54 -1.15 28.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 28 20 8 16  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 5 9 -4 6  
MONTH TO DATE 136 171 -35 202  
SINCE JUN 1 570 695 -125 684  
SINCE JAN 1 590 763 -173 744    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 93 1937  
MINIMUM TEMPERATURE (F) 63 48 1963  
1981  
 
SUNRISE AND SUNSET  
AUGUST 19 2023........SUNRISE 6:16 AM EDT SUNSET 7:54 PM EDT  
AUGUST 20 2023........SUNRISE 6:17 AM EDT SUNSET 7:53 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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