130  
CDUS41 KPHI 170553  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
153 AM EDT THU SEP 17 2020  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR SEPTEMBER 16 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 73 4:19 PM 94 1991 78 -5 84  
MINIMUM 53 6:41 AM 45 1984 60 -7 67  
AVERAGE 63 69 -6 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 6.63 1999 0.13 -0.13 0.00  
MONTH TO DATE 1.51 1.93 -0.42 0.75  
SINCE SEP 1 1.51 1.93 -0.42 0.75  
SINCE JAN 1 33.78 29.95 3.83 36.78  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 2 1 1 0  
MONTH TO DATE 7 5 2 0  
SINCE SEP 1 7 5 2 0  
SINCE JUL 1 7 6 1 0  
 
COOLING  
YESTERDAY 0 5 -5 11  
MONTH TO DATE 132 115 17 145  
SINCE SEP 1 132 115 17 145  
SINCE JAN 1 1460 1232 228 1479    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 8:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1991  
MINIMUM TEMPERATURE (F) 60 44 1959  
1966  
1986  
 
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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