851  
CDUS41 KPHI 210609  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
209 AM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 4:37 PM 90 1895 78 -2 83  
1983  
MINIMUM 57 5:36 AM 45 1956 60 -3 68  
1979  
AVERAGE 67 68 -1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.04 1938 0.15 -0.15 0.00  
MONTH TO DATE 3.93 3.01 0.92 1.86  
SINCE SEP 1 3.93 3.01 0.92 1.86  
SINCE JAN 1 28.74 32.37 -3.63 28.77  
 
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 0 1 -1 0  
MONTH TO DATE 0 6 -6 0  
SINCE SEP 1 0 6 -6 0  
SINCE JUL 1 0 7 -7 0  
 
COOLING  
YESTERDAY 2 5 -3 11  
MONTH TO DATE 214 142 72 212  
SINCE SEP 1 214 142 72 212  
SINCE JAN 1 1291 1299 -8 1698    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 4:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 1895  
MINIMUM TEMPERATURE (F) 59 38 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 6:47 AM EDT SUNSET 7:00 PM EDT  
SEPTEMBER 22 2023.....SUNRISE 6:48 AM EDT SUNSET 6:58 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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