526  
CDUS41 KPHI 310554  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST THU DEC 31 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 30 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 45 11:59 PM 65 1990 41 4 47  
MINIMUM 27 2:45 AM -5 1880 27 0 40  
AVERAGE 36 34 2 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.30 1948 0.09 -0.09 0.63  
MONTH TO DATE 4.34 3.47 0.87 5.21  
SINCE DEC 1 4.34 3.47 0.87 5.21  
SINCE JAN 1 49.72 41.44 8.28 47.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.0 2000 0.1 -0.1 0.0  
MONTH TO DATE 6.6 3.2 3.4 0.1  
SINCE DEC 1 6.6 3.2 3.4 0.1  
SINCE JUL 1 6.6 3.5 3.1 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 31 -2 21  
MONTH TO DATE 785 823 -38 784  
SINCE DEC 1 785 823 -38 784  
SINCE JUL 1 1379 1639 -260 1583  
 
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 SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 6:00 AM  
LOWEST 43 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 66 1884  
MINIMUM TEMPERATURE (F) 27 0 1880  
 
SUNRISE AND SUNSET  
DECEMBER 31 2020......SUNRISE 7:22 AM EST SUNSET 4:46 PM EST  
JANUARY 1 2021.......SUNRISE 7:23 AM EST SUNSET 4:47 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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