939  
CDUS41 KPHI 250557  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
156 AM EDT TUE SEP 25 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 24 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 72 233 PM 92 2017 72 0 92  
1970  
MINIMUM 57 747 AM 31 1963 50 7 62  
AVERAGE 65 61 4 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.04 1975 0.18 -0.17 0.00  
MONTH TO DATE 3.37 3.57 -0.20 3.80  
SINCE SEP 1 3.37 3.57 -0.20 3.80  
SINCE JAN 1 44.46 33.34 11.12 42.94  
 
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 5 -5 0  
MONTH TO DATE 19 64 -45 37  
SINCE SEP 1 19 64 -45 37  
SINCE JUL 1 19 75 -56 41  
 
COOLING  
YESTERDAY 0 1 -1 12  
MONTH TO DATE 185 66 119 107  
SINCE SEP 1 185 66 119 107  
SINCE JAN 1 1224 745 479 915    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 600 AM  
LOWEST 53 300 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 2017  
1970  
MINIMUM TEMPERATURE (F) 49 33 1963  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2018.....SUNRISE 652 AM EDT SUNSET 654 PM EDT  
SEPTEMBER 26 2018.....SUNRISE 653 AM EDT SUNSET 652 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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