674  
CDUS41 KPHI 150547  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1246 AM EST FRI DEC 15 2017  
 
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 14 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 37 904 AM 70 2015 45 -8 43  
MINIMUM 25 1159 PM 10 1960 30 -5 34  
AVERAGE 31 38 -7 39  
 
PRECIPITATION (IN)  
YESTERDAY T 2.02 1897 0.12 -0.12 T  
MONTH TO DATE 0.59 1.74 -1.15 1.36  
SINCE DEC 1 0.59 1.74 -1.15 1.36  
SINCE JAN 1 40.62 39.71 0.91 33.96  
 
SNOWFALL (IN)  
YESTERDAY T 5.3 1951 0.1 -0.1 T  
MONTH TO DATE 5.5 1.1 4.4 T  
SINCE DEC 1 5.5 1.1 4.4 T  
SINCE JUL 1 5.5 1.4 4.1 T  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 27 7 26  
MONTH TO DATE 351 352 -1 332  
SINCE DEC 1 351 352 -1 332  
SINCE JUL 1 986 1168 -182 963  
 
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 24 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 39 500 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 69 2015  
MINIMUM TEMPERATURE (F) 30 7 1960  
 
 
SUNRISE AND SUNSET  
DECEMBER 15 2017......SUNRISE 715 AM EST SUNSET 437 PM EST  
DECEMBER 16 2017......SUNRISE 716 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page Main Text Page