306  
CDUS41 KPHI 010552  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST FRI JAN 01 2021  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 31 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 49 8:55 AM 66 1884 41 8 47  
MINIMUM 34 11:59 PM 0 1880 27 7 39  
AVERAGE 42 34 8 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.09 1911 0.09 -0.05 0.00  
MONTH TO DATE 4.38 3.56 0.82 5.21  
SINCE DEC 1 4.38 3.56 0.82 5.21  
SINCE JAN 1 49.76 41.53 8.23 47.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1967 0.2 -0.2 0.0  
MONTH TO DATE 6.6 3.4 3.2 0.1  
SINCE DEC 1 6.6 3.4 3.2 0.1  
SINCE JUL 1 6.6 3.7 2.9 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 31 -8 22  
MONTH TO DATE 808 854 -46 806  
SINCE DEC 1 808 854 -46 806  
SINCE JUL 1 1402 1670 -268 1605  
 
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 21 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 9:00 AM  
LOWEST 59 9:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 64 2005  
MINIMUM TEMPERATURE (F) 27 4 1881  
 
SUNRISE AND SUNSET  
JANUARY 1 2021.......SUNRISE 7:23 AM EST SUNSET 4:47 PM EST  
JANUARY 2 2021.......SUNRISE 7:23 AM EST SUNSET 4:48 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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