511  
CDUS41 KPHI 110552  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST FRI DEC 11 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 10 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 51 2:53 PM 71 1966 46 5 58  
MINIMUM 34 11:39 PM 4 1876 32 2 40  
AVERAGE 43 39 4 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 1969 0.13 -0.13 0.17  
MONTH TO DATE 1.07 1.25 -0.18 2.26  
SINCE DEC 1 1.07 1.25 -0.18 2.26  
SINCE JAN 1 46.45 39.22 7.23 44.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 1904 0.1 -0.1 0.0  
MONTH TO DATE T 0.7 -0.7 T  
SINCE DEC 1 T 0.7 -0.7 T  
SINCE JUL 1 T 1.0 -1.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 26 -4 16  
MONTH TO DATE 246 245 1 246  
SINCE DEC 1 246 245 1 246  
SINCE JUL 1 840 1061 -221 1045  
 
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 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 10:00 PM  
LOWEST 46 1:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 65 1899  
1971  
MINIMUM TEMPERATURE (F) 31 8 1880  
 
SUNRISE AND SUNSET  
DECEMBER 11 2020......SUNRISE 7:13 AM EST SUNSET 4:36 PM EST  
DECEMBER 12 2020......SUNRISE 7:13 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page Main Text Page