586  
CDUS41 KPHI 162137  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
437 PM EST WED DEC 16 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 16 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 33 1:07 PM 68 1971 44 -11 38  
MINIMUM 27 2:49 AM 9 1876 30 -3 33  
AVERAGE 30 37 -7 36  
 
PRECIPITATION (IN)  
TODAY 0.14 1.54 1974 0.12 0.02 0.38  
MONTH TO DATE 1.74 1.97 -0.23 3.40  
SINCE DEC 1 1.74 1.97 -0.23 3.40  
SINCE JAN 1 47.12 39.94 7.18 45.62  
 
SNOWFALL (IN)  
TODAY T 7.1 1896 0.1 -0.1 T  
MONTH TO DATE T 1.3 -1.3 0.1  
SINCE DEC 1 T 1.3 -1.3 0.1  
SINCE JUL 1 T 1.6 -1.6 0.1  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 35 28 7 29  
MONTH TO DATE 385 408 -23 397  
SINCE DEC 1 385 408 -23 397  
SINCE JUL 1 979 1224 -245 1196  
 
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 22 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 2:00 PM  
LOWEST 51 5:00 AM  
AVERAGE 70  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 65 2000  
MINIMUM TEMPERATURE (F) 30 7 1876  
1919  
 
SUNRISE AND SUNSET  
DECEMBER 16 2020......SUNRISE 7:16 AM EST SUNSET 4:37 PM EST  
DECEMBER 17 2020......SUNRISE 7:17 AM EST SUNSET 4:38 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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