203  
CDUS41 KPHI 061410  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1009 AM EDT THU SEP 6 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 3 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93 204 PM 99 1953 79 14 72  
MINIMUM 70 427 AM 41 1967 58 12 57  
AVERAGE 82 68 14 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1966 0.13 -0.13 0.34  
MONTH TO DATE 0.03 0.37 -0.34 0.96  
SINCE SEP 1 0.03 0.37 -0.34 0.96  
SINCE JAN 1 41.12 30.14 10.98 40.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
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 0 1 -1 0  
MONTH TO DATE 0 3 -3 15  
SINCE SEP 1 0 3 -3 15  
SINCE JUL 1 0 14 -14 19  
 
COOLING  
YESTERDAY 17 4 13 0  
MONTH TO DATE 38 14 24 0  
SINCE SEP 1 38 14 24 0  
SINCE JAN 1 1077 693 384 808    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 52 200 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 1937  
1929  
MINIMUM TEMPERATURE (F) 57 44 1946  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2018.....SUNRISE 632 AM EDT SUNSET 729 PM EDT  
SEPTEMBER 5 2018.....SUNRISE 633 AM EDT SUNSET 727 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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