951  
CDUS41 KPHI 180603  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
202 AM EDT TUE SEP 18 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 17 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 79 113 PM 93 1991 75 4 82  
MINIMUM 63 419 AM 39 2007 53 10 64  
1986  
1959  
AVERAGE 71 64 7 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.71 1.83 1958 0.17 0.54 0.00  
MONTH TO DATE 2.66 2.40 0.26 3.78  
SINCE SEP 1 2.66 2.40 0.26 3.78  
SINCE JAN 1 43.75 32.17 11.58 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 3 -3 0  
MONTH TO DATE 16 32 -16 37  
SINCE SEP 1 16 32 -16 37  
SINCE JUL 1 16 43 -27 41  
 
COOLING  
YESTERDAY 6 2 4 8  
MONTH TO DATE 155 56 99 42  
SINCE SEP 1 155 56 99 42  
SINCE JAN 1 1194 735 459 850    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 74 100 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1965  
MINIMUM TEMPERATURE (F) 52 36 1990  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2018.....SUNRISE 645 AM EDT SUNSET 706 PM EDT  
SEPTEMBER 19 2018.....SUNRISE 646 AM EDT SUNSET 704 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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