753  
CDUS41 KPHI 182128  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
528 PM EDT THU SEP 18 2025  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR SEPTEMBER 18 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1872 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 3:55 PM 90 1891 78 6 80  
MINIMUM 66 12:28 AM 42 1959 60 6 68  
AVERAGE 75 69 6 74  
 
PRECIPITATION (IN)  
TODAY T 1.91 1918 0.16 -0.16 0.04  
MONTH TO DATE 1.03 2.71 -1.68 0.40  
SINCE SEP 1 1.03 2.71 -1.68 0.40  
SINCE JAN 1 26.96 32.07 -5.11 33.06  
 
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 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 1  
SINCE SEP 1 0 4 -4 1  
SINCE JUL 1 0 5 -5 1  
 
COOLING  
TODAY 10 5 5 9  
MONTH TO DATE 138 132 6 113  
SINCE SEP 1 138 132 6 113  
SINCE JAN 1 1411 1289 122 1535    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 48 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 1983  
MINIMUM TEMPERATURE (F) 60 43 1943  
1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 6:45 AM EDT SUNSET 7:04 PM EDT  
SEPTEMBER 19 2025.....SUNRISE 6:46 AM EDT SUNSET 7:02 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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