405  
CDUS41 KPHI 172135  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
535 PM EDT THU SEP 17 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR SEPTEMBER 17 2020
 
 
VALID TODAY AS OF 0500 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 76 3:17 PM 94 1991 78 -2 81  
MINIMUM 62 3:58 AM 44 1959 60 2 60  
1966  
1986  
AVERAGE 69 69 0 71  
 
PRECIPITATION (IN)  
TODAY 0.01 3.48 1876 0.13 -0.12 0.00  
MONTH TO DATE 1.52 2.06 -0.54 0.75  
SINCE SEP 1 1.52 2.06 -0.54 0.75  
SINCE JAN 1 33.79 30.08 3.71 36.78  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 7 6 1 0  
SINCE SEP 1 7 6 1 0  
SINCE JUL 1 7 7 0 0  
 
COOLING  
TODAY 4 5 -1 6  
MONTH TO DATE 136 120 16 151  
SINCE SEP 1 136 120 16 151  
SINCE JAN 1 1464 1237 227 1485    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 67 3:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 90 1891  
MINIMUM TEMPERATURE (F) 60 42 1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2020.....SUNRISE 6:44 AM EDT SUNSET 7:05 PM EDT  
SEPTEMBER 18 2020.....SUNRISE 6:45 AM EDT SUNSET 7:04 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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