908  
CDUS41 KPHI 120558  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1257 AM EST WED DEC 12 2018  
 
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 11 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 41 405 PM 65 1971 46 -5 42  
1899  
MINIMUM 24 445 AM 8 1880 31 -7 34  
AVERAGE 33 39 -6 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.72 2008 0.12 -0.12 T  
MONTH TO DATE 0.65 1.37 -0.72 0.53  
SINCE DEC 1 0.65 1.37 -0.72 0.53  
SINCE JAN 1 55.79 39.34 16.45 40.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.7 1960 0.1 -0.1 T  
MONTH TO DATE 0.3 0.8 -0.5 4.1  
SINCE DEC 1 0.3 0.8 -0.5 4.1  
SINCE JUL 1 3.9 1.1 2.8 4.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 26 6 27  
MONTH TO DATE 311 271 40 248  
SINCE DEC 1 311 271 40 248  
SINCE JUL 1 1213 1087 126 883  
 
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 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 500 AM  
LOWEST 41 300 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 69 2015  
MINIMUM TEMPERATURE (F) 31 8 1988  
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2018......SUNRISE 713 AM EST SUNSET 436 PM EST  
DECEMBER 13 2018......SUNRISE 714 AM EST SUNSET 437 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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