221  
CDUS41 KPHI 150555  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
154 AM EDT SAT SEP 15 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 14 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 77 159 PM 91 2016 76 1 81  
2008  
1931  
MINIMUM 67 1159 PM 40 1946 54 13 63  
AVERAGE 72 65 7 72  
 
PRECIPITATION (IN)  
YESTERDAY T 3.24 1973 0.16 -0.16 0.05  
MONTH TO DATE 1.95 1.90 0.05 3.38  
SINCE SEP 1 1.95 1.90 0.05 3.38  
SINCE JAN 1 43.04 31.67 11.37 42.52  
 
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 23 -7 37  
SINCE SEP 1 16 23 -7 37  
SINCE JUL 1 16 34 -18 41  
 
COOLING  
YESTERDAY 7 2 5 7  
MONTH TO DATE 134 50 84 17  
SINCE SEP 1 134 50 84 17  
SINCE JAN 1 1173 729 444 825    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 100 AM  
LOWEST 74 1100 AM  
AVERAGE 82  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1927  
MINIMUM TEMPERATURE (F) 53 38 1975  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2018.....SUNRISE 642 AM EDT SUNSET 711 PM EDT  
SEPTEMBER 16 2018.....SUNRISE 643 AM EDT SUNSET 709 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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