925  
CDUS41 KPHI 140556  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1255 AM EST THU DEC 14 2017  
 
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 13 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 31 322 PM 71 2015 45 -14 44  
MINIMUM 21 558 AM 8 1960 31 -10 34  
AVERAGE 26 38 -12 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 2.90 1941 0.12 -0.06 0.00  
MONTH TO DATE 0.59 1.62 -1.03 1.36  
SINCE DEC 1 0.59 1.62 -1.03 1.36  
SINCE JAN 1 40.62 39.59 1.03 33.96  
 
SNOWFALL (IN)  
YESTERDAY 1.4 4.6 1915 0.1 1.3 0.0  
MONTH TO DATE 5.5 1.0 4.5 T  
SINCE DEC 1 5.5 1.0 4.5 T  
SINCE JUL 1 5.5 1.3 4.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 27 12 26  
MONTH TO DATE 317 325 -8 306  
SINCE DEC 1 317 325 -8 306  
SINCE JUL 1 952 1141 -189 937  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1490 1301 189 1726    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 16.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1100 PM  
LOWEST 31 1200 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 70 2015  
MINIMUM TEMPERATURE (F) 30 10 1960  
 
 
SUNRISE AND SUNSET  
DECEMBER 14 2017......SUNRISE 715 AM EST SUNSET 437 PM EST  
DECEMBER 15 2017......SUNRISE 715 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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