973  
CDUS41 KPHI 180604  
CLIPHL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
204 AM EDT MON SEP 18 2023  
   
...............................
 
 
   
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR SEPTEMBER 17 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 81 12:29 PM 94 1991 79 2 83  
MINIMUM 57 5:23 AM 44 1959 61 -4 63  
1966  
1986  
AVERAGE 69 70 -1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.65 3.48 1876 0.15 0.50 0.00  
MONTH TO DATE 3.47 2.55 0.92 1.86  
SINCE SEP 1 3.47 2.55 0.92 1.86  
SINCE JAN 1 28.28 31.91 -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 3 -3 0  
SINCE SEP 1 0 3 -3 0  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY 4 5 -1 8  
MONTH TO DATE 207 127 80 176  
SINCE SEP 1 207 127 80 176  
SINCE JAN 1 1284 1284 0 1662    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 42 12:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 90 1891  
MINIMUM TEMPERATURE (F) 60 42 1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 6:45 AM EDT SUNSET 7:05 PM EDT  
SEPTEMBER 19 2023.....SUNRISE 6:46 AM EDT SUNSET 7:03 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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