968  
CDUS41 KPHI 170615  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
115 AM EST THU DEC 17 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 16 2020
 
 
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)  
YESTERDAY  
MAXIMUM 33 11:59 PM 68 1971 44 -11 38  
MINIMUM 27 2:49 AM 9 1876 30 -3 33  
AVERAGE 30 37 -7 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.70 1.54 1974 0.12 0.58 0.38  
MONTH TO DATE 2.30 1.97 0.33 3.40  
SINCE DEC 1 2.30 1.97 0.33 3.40  
SINCE JAN 1 47.68 39.94 7.74 45.62  
 
SNOWFALL (IN)  
YESTERDAY 6.3 7.1 1896 0.1 6.2 T  
MONTH TO DATE 6.3 1.3 5.0 0.1  
SINCE DEC 1 6.3 1.3 5.0 0.1  
SINCE JUL 1 6.3 1.6 4.7 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 28 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LT FREEZING RAIN  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 10:00 PM  
LOWEST 51 5:00 AM  
AVERAGE 72  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 65 2000  
MINIMUM TEMPERATURE (F) 30 7 1876  
1919  
 
SUNRISE AND SUNSET  
DECEMBER 17 2020......SUNRISE 7:17 AM EST SUNSET 4:38 PM EST  
DECEMBER 18 2020......SUNRISE 7:18 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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