622  
CDUS41 KPHI 070556  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1253 AM EST FRI DEC 7 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 6 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 40 210 PM 70 2001 44 -4 56  
MINIMUM 21 218 AM 9 2002 27 -6 28  
AVERAGE 31 35 -4 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.68 1953 0.13 -0.13 T  
MONTH TO DATE 0.79 0.79 0.00 0.22  
SINCE DEC 1 0.79 0.79 0.00 0.22  
SINCE JAN 1 61.51 42.56 18.95 48.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1926 0.1 -0.1 0.0  
MONTH TO DATE T 0.7 -0.7 0.0  
SINCE DEC 1 T 0.7 -0.7 0.0  
SINCE JUL 1 8.1 1.4 6.7 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 30 4 23  
MONTH TO DATE 165 173 -8 140  
SINCE DEC 1 165 173 -8 140  
SINCE JUL 1 1228 1353 -125 1053  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1287 757 530 1004    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 300 AM  
LOWEST 48 100 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 71 1998  
MINIMUM TEMPERATURE (F) 27 4 1926  
 
 
SUNRISE AND SUNSET  
DECEMBER 7 2018......SUNRISE 712 AM EST SUNSET 434 PM EST  
DECEMBER 8 2018......SUNRISE 713 AM EST SUNSET 434 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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