269  
CDUS41 KPHI 100552  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1251 AM EST MON DEC 10 2018  
 
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 9 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 35 313 PM 70 1966 47 -12 37  
MINIMUM 27 713 AM 6 1876 32 -5 30  
AVERAGE 31 39 -8 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.13 2009 0.13 -0.13 0.37  
MONTH TO DATE 0.65 1.12 -0.47 0.53  
SINCE DEC 1 0.65 1.12 -0.47 0.53  
SINCE JAN 1 55.79 39.09 16.70 40.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.1 2017 0.1 -0.1 4.1  
MONTH TO DATE 0.3 0.6 -0.3 4.1  
SINCE DEC 1 0.3 0.6 -0.3 4.1  
SINCE JUL 1 3.9 0.9 3.0 4.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 26 8 31  
MONTH TO DATE 247 219 28 190  
SINCE DEC 1 247 219 28 190  
SINCE JUL 1 1149 1035 114 825  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1584 1301 283 1490    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 100 AM  
LOWEST 47 1200 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 71 1966  
MINIMUM TEMPERATURE (F) 32 4 1876  
 
 
SUNRISE AND SUNSET  
DECEMBER 10 2018......SUNRISE 712 AM EST SUNSET 436 PM EST  
DECEMBER 11 2018......SUNRISE 712 AM EST SUNSET 436 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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