686  
CDUS41 KPHI 140559  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
157 AM EDT FRI SEP 14 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 13 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 79 507 PM 94 1952 76 3 74  
MINIMUM 72 738 AM 39 1967 54 18 55  
AVERAGE 76 65 11 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.38 1944 0.15 -0.15 0.16  
MONTH TO DATE 1.95 1.74 0.21 3.33  
SINCE SEP 1 1.95 1.74 0.21 3.33  
SINCE JAN 1 43.04 31.51 11.53 42.47  
 
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 20 -4 37  
SINCE SEP 1 16 20 -4 37  
SINCE JUL 1 16 31 -15 41  
 
COOLING  
YESTERDAY 11 3 8 0  
MONTH TO DATE 127 48 79 10  
SINCE SEP 1 127 48 79 10  
SINCE JAN 1 1166 727 439 818    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 74 1200 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 2016  
2008  
1931  
MINIMUM TEMPERATURE (F) 54 40 1946  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2018.....SUNRISE 641 AM EDT SUNSET 712 PM EDT  
SEPTEMBER 15 2018.....SUNRISE 642 AM EDT SUNSET 711 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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