012  
CDUS41 KPHI 160553  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
151 AM EDT THU AUG 16 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR AUGUST 15 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 89 252 PM 97 1988 83 6 78  
MINIMUM 67 527 AM 48 1964 61 6 65  
AVERAGE 78 72 6 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.80 1918 0.12 -0.12 0.10  
MONTH TO DATE 9.21 1.95 7.26 5.01  
SINCE JUN 1 17.61 11.21 6.40 18.52  
SINCE JAN 1 38.09 28.03 10.06 35.70  
 
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 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 7 36 -29 27  
SINCE JUL 1 0 3 -3 0  
 
COOLING  
YESTERDAY 13 7 6 7  
MONTH TO DATE 200 117 83 111  
SINCE JUN 1 770 537 233 655  
SINCE JAN 1 864 582 282 715    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1200 AM  
LOWEST 50 200 PM  
AVERAGE 70  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 1944  
1935  
MINIMUM TEMPERATURE (F) 61 49 1945  
 
 
SUNRISE AND SUNSET  
AUGUST 16 2018........SUNRISE 613 AM EDT SUNSET 758 PM EDT  
AUGUST 17 2018........SUNRISE 614 AM EDT SUNSET 757 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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