599  
CDUS41 KPHI 212134  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
434 PM EST THU JAN 21 2021  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR JANUARY 21 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1872 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 44 3:49 PM 62 1959 40 4 35  
MINIMUM 24 5:52 AM -6 1985 25 -1 19  
AVERAGE 34 33 1 27  
 
PRECIPITATION (IN)  
TODAY 0.00 1.32 1979 0.10 -0.10 0.00  
MONTH TO DATE 1.27 2.05 -0.78 1.00  
SINCE DEC 1 5.65 5.61 0.04 6.21  
SINCE JAN 1 1.27 2.05 -0.78 1.00  
 
SNOWFALL (IN)  
TODAY 0.0 13.5 2014 0.3 -0.3 0.0  
MONTH TO DATE T 4.0 -4.0 0.2  
SINCE DEC 1 6.6 7.4 -0.8 0.3  
SINCE JUL 1 6.6 7.7 -1.1 0.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 31 32 -1 38  
MONTH TO DATE 566 670 -104 534  
SINCE DEC 1 1374 1524 -150 1340  
SINCE JUL 1 1968 2340 -372 2139  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 9:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 70 1906  
MINIMUM TEMPERATURE (F) 25 -7 1984  
 
SUNRISE AND SUNSET  
JANUARY 21 2021.......SUNRISE 7:17 AM EST SUNSET 5:08 PM EST  
JANUARY 22 2021.......SUNRISE 7:17 AM EST SUNSET 5:09 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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