719  
CDUS41 KPHI 170552  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
152 AM EDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 16 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1894 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 4:19 PM 94 1970 79 -2 79  
MINIMUM 53 6:07 AM 40 1984 59 -6 51  
AVERAGE 65 69 -4 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 8.29 1999 0.16 -0.16 0.00  
MONTH TO DATE 2.52 2.24 0.28 2.37  
SINCE SEP 1 2.52 2.24 0.28 2.37  
SINCE JAN 1 37.63 32.60 5.03 30.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1894 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE SEP 1 0 5 -5 0  
SINCE JUL 1 0 6 -6 0  
 
COOLING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 166 107 59 129  
SINCE SEP 1 166 107 59 129  
SINCE JAN 1 1284 1158 126 1362    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 4:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 1991  
MINIMUM TEMPERATURE (F) 59 43 1986  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 6:45 AM EDT SUNSET 7:08 PM EDT  
SEPTEMBER 18 2023.....SUNRISE 6:46 AM EDT SUNSET 7:06 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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