338  
CDUS41 KPHI 120554  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
153 AM EDT WED SEP 12 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 11 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 76 255 PM 96 1983 77 -1 77  
MINIMUM 61 706 AM 39 1995 55 6 45  
AVERAGE 69 66 3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 3.02 1997 0.14 -0.01 0.00  
MONTH TO DATE 1.93 1.45 0.48 3.17  
SINCE SEP 1 1.93 1.45 0.48 3.17  
SINCE JAN 1 43.02 31.22 11.80 42.31  
 
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 2 -2 4  
MONTH TO DATE 16 15 1 37  
SINCE SEP 1 16 15 1 37  
SINCE JUL 1 16 26 -10 41  
 
COOLING  
YESTERDAY 4 3 1 0  
MONTH TO DATE 106 42 64 9  
SINCE SEP 1 106 42 64 9  
SINCE JAN 1 1145 721 424 817    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 2.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 73 100 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1931  
MINIMUM TEMPERATURE (F) 55 37 1967  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2018.....SUNRISE 639 AM EDT SUNSET 716 PM EDT  
SEPTEMBER 13 2018.....SUNRISE 640 AM EDT SUNSET 714 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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