857  
CDUS41 KPHI 132139  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
439 PM EST SUN DEC 13 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 13 2020
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1872 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 1:40 PM 71 2015 45 18 50  
MINIMUM 45 7:10 AM 8 1960 31 14 29  
AVERAGE 54 38 16 40  
 
PRECIPITATION (IN)  
TODAY T 2.90 1941 0.12 -0.12 0.51  
MONTH TO DATE 1.07 1.62 -0.55 2.85  
SINCE DEC 1 1.07 1.62 -0.55 2.85  
SINCE JAN 1 46.45 39.59 6.86 45.07  
 
SNOWFALL (IN)  
TODAY 0.0 4.6 1915 0.1 -0.1 0.0  
MONTH TO DATE T 1.0 -1.0 0.1  
SINCE DEC 1 T 1.0 -1.0 0.1  
SINCE JUL 1 T 1.3 -1.3 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 11 27 -16 25  
MONTH TO DATE 294 325 -31 332  
SINCE DEC 1 294 325 -31 332  
SINCE JUL 1 888 1141 -253 1131  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1521 1301 220 1610    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 AM  
LOWEST 46 2:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 70 2015  
MINIMUM TEMPERATURE (F) 30 10 1960  
 
SUNRISE AND SUNSET  
DECEMBER 13 2020......SUNRISE 7:14 AM EST SUNSET 4:37 PM EST  
DECEMBER 14 2020......SUNRISE 7:15 AM EST SUNSET 4:37 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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