276  
CDUS41 KPHI 222129  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
429 PM EST TUE DEC 22 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 22 2020
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 47 12:59 PM 68 2013 43 4 48  
MINIMUM 38 6:08 AM 6 1989 28 10 24  
AVERAGE 43 36 7 36  
 
PRECIPITATION (IN)  
TODAY 0.03 1.77 1983 0.11 -0.08 0.00  
MONTH TO DATE 2.56 2.63 -0.07 4.22  
SINCE DEC 1 2.56 2.63 -0.07 4.22  
SINCE JAN 1 47.94 40.60 7.34 46.44  
 
SNOWFALL (IN)  
TODAY 0.0 2.8 1908 0.1 -0.1 0.0  
MONTH TO DATE 6.6 2.0 4.6 0.1  
SINCE DEC 1 6.6 2.0 4.6 0.1  
SINCE JUL 1 6.6 2.3 4.3 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 29 -7 29  
MONTH TO DATE 569 580 -11 601  
SINCE DEC 1 569 580 -11 601  
SINCE JUL 1 1163 1396 -233 1400  
 
COOLING  
TODAY 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 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 53 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 70 2015  
MINIMUM TEMPERATURE (F) 28 7 1989  
 
SUNRISE AND SUNSET  
DECEMBER 22 2020......SUNRISE 7:20 AM EST SUNSET 4:40 PM EST  
DECEMBER 23 2020......SUNRISE 7:20 AM EST SUNSET 4:41 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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