560  
CDUS41 KPHI 180553  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST TUE DEC 18 2018  
 
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 17 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 49 1253 PM 65 2000 44 5 44  
MINIMUM 38 258 AM 7 1919 30 8 30  
1876  
AVERAGE 44 37 7 37  
 
PRECIPITATION (IN)  
YESTERDAY T 2.23 1888 0.11 -0.11 0.00  
MONTH TO DATE 2.21 2.08 0.13 0.75  
SINCE DEC 1 2.21 2.08 0.13 0.75  
SINCE JAN 1 57.35 40.05 17.30 40.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.3 1932 0.1 -0.1 0.0  
MONTH TO DATE 0.3 1.4 -1.1 7.7  
SINCE DEC 1 0.3 1.4 -1.1 7.7  
SINCE JUL 1 3.9 1.7 2.2 7.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 28 -7 28  
MONTH TO DATE 442 436 6 451  
SINCE DEC 1 442 436 6 451  
SINCE JUL 1 1344 1252 92 1086  
 
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 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1200 AM  
LOWEST 41 700 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 70 2006  
MINIMUM TEMPERATURE (F) 29 4 1919  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2018......SUNRISE 717 AM EST SUNSET 438 PM EST  
DECEMBER 19 2018......SUNRISE 718 AM EST SUNSET 438 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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