115  
CDUS41 KPHI 100606  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
205 AM EDT MON SEP 10 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 9 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 58 1142 PM 95 2015 77 -19 68  
MINIMUM 53 800 AM 42 1986 56 -3 47  
AVERAGE 56 66 -10 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.65 1.48 1929 0.14 0.51 0.00  
MONTH TO DATE 0.69 1.18 -0.49 3.17  
SINCE SEP 1 0.69 1.18 -0.49 3.17  
SINCE JAN 1 41.78 30.95 10.83 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 9 2 7 7  
MONTH TO DATE 10 11 -1 29  
SINCE SEP 1 10 11 -1 29  
SINCE JUL 1 10 22 -12 33  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 102 36 66 9  
SINCE SEP 1 102 36 66 9  
SINCE JAN 1 1141 715 426 817    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1000 AM  
LOWEST 72 1200 AM  
AVERAGE 79  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1983  
MINIMUM TEMPERATURE (F) 55 39 1956  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2018.....SUNRISE 638 AM EDT SUNSET 719 PM EDT  
SEPTEMBER 11 2018.....SUNRISE 639 AM EDT SUNSET 717 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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