850  
CDUS41 KPHI 160552  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
152 AM EDT SUN SEP 16 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 15 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 80 413 PM 95 1927 75 5 84  
MINIMUM 62 438 AM 38 1975 53 9 62  
AVERAGE 71 64 7 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.23 2003 0.16 -0.16 0.38  
MONTH TO DATE 1.95 2.06 -0.11 3.76  
SINCE SEP 1 1.95 2.06 -0.11 3.76  
SINCE JAN 1 43.04 31.83 11.21 42.90  
 
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 26 -10 37  
SINCE SEP 1 16 26 -10 37  
SINCE JUL 1 16 37 -21 41  
 
COOLING  
YESTERDAY 6 2 4 8  
MONTH TO DATE 140 52 88 25  
SINCE SEP 1 140 52 88 25  
SINCE JAN 1 1179 731 448 833    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 1.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 62 200 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1991  
MINIMUM TEMPERATURE (F) 53 38 1923  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2018.....SUNRISE 643 AM EDT SUNSET 709 PM EDT  
SEPTEMBER 17 2018.....SUNRISE 644 AM EDT SUNSET 707 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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