935  
CDUS41 KPHI 130552  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST SUN DEC 13 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 12 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 61 3:37 PM 69 2015 46 15 39  
MINIMUM 37 2:24 AM 8 1988 31 6 26  
AVERAGE 49 38 11 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 1983 0.13 -0.13 0.00  
MONTH TO DATE 1.07 1.50 -0.43 2.34  
SINCE DEC 1 1.07 1.50 -0.43 2.34  
SINCE JAN 1 46.45 39.47 6.98 44.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.9 1960 0.1 -0.1 0.0  
MONTH TO DATE T 0.9 -0.9 0.1  
SINCE DEC 1 T 0.9 -0.9 0.1  
SINCE JUL 1 T 1.2 -1.2 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 27 -11 32  
MONTH TO DATE 283 298 -15 307  
SINCE DEC 1 283 298 -15 307  
SINCE JUL 1 877 1114 -237 1106  
 
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 12 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 69 4:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 71 2015  
MINIMUM TEMPERATURE (F) 31 8 1960  
 
SUNRISE AND SUNSET  
DECEMBER 13 2020......SUNRISE 7:14 AM EST SUNSET 4:37 PM EST  
DECEMBER 14 2020......SUNRISE 7:15 AM EST SUNSET 4:37 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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