425  
CDUS41 KPHI 090552  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST WED DEC 09 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 8 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 42 2:57 PM 67 1980 47 -5 44  
MINIMUM 30 2:06 AM 14 1882 32 -2 25  
AVERAGE 36 40 -4 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 1972 0.12 -0.12 T  
MONTH TO DATE 1.07 0.99 0.08 0.78  
SINCE DEC 1 1.07 0.99 0.08 0.78  
SINCE JAN 1 46.45 38.96 7.49 43.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.6 2013 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.5 -0.5 T  
SINCE DEC 1 0.0 0.5 -0.5 T  
SINCE JUL 1 0.0 0.8 -0.8 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 25 4 30  
MONTH TO DATE 196 193 3 214  
SINCE DEC 1 196 193 3 214  
SINCE JUL 1 790 1009 -219 1013  
 
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 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 3:00 AM  
LOWEST 34 4:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 70 1966  
MINIMUM TEMPERATURE (F) 32 6 1876  
 
SUNRISE AND SUNSET  
DECEMBER 9 2020......SUNRISE 7:11 AM EST SUNSET 4:36 PM EST  
DECEMBER 10 2020......SUNRISE 7:12 AM EST SUNSET 4:36 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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