640  
CDUS41 KPHI 190602  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
201 AM EDT WED SEP 19 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 18 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 85 442 PM 90 1965 74 11 76  
MINIMUM 67 1145 PM 36 1990 52 15 64  
AVERAGE 76 63 13 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.67 4.59 2004 0.16 0.51 0.00  
MONTH TO DATE 3.33 2.56 0.77 3.78  
SINCE SEP 1 3.33 2.56 0.77 3.78  
SINCE JAN 1 44.42 32.33 12.09 42.92  
 
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 4 -4 0  
MONTH TO DATE 16 36 -20 37  
SINCE SEP 1 16 36 -20 37  
SINCE JUL 1 16 47 -31 41  
 
COOLING  
YESTERDAY 11 2 9 5  
MONTH TO DATE 166 58 108 47  
SINCE SEP 1 166 58 108 47  
SINCE JAN 1 1205 737 468 855    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1100 AM  
LOWEST 59 500 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1983  
MINIMUM TEMPERATURE (F) 52 37 1943  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2018.....SUNRISE 646 AM EDT SUNSET 704 PM EDT  
SEPTEMBER 20 2018.....SUNRISE 647 AM EDT SUNSET 702 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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