604  
CDUS41 KPHI 182133  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
533 PM EDT SAT SEP 18 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 18 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1894 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 3:59 PM 89 1941 78 9 73  
2016  
MINIMUM 67 4:45 AM 40 1959 59 8 54  
1990  
AVERAGE 77 68 9 64  
 
PRECIPITATION (IN)  
TODAY 0.00 2.54 2004 0.16 -0.16 0.00  
MONTH TO DATE 3.32 2.56 0.76 0.82  
SINCE SEP 1 3.32 2.56 0.76 0.82  
SINCE JAN 1 29.35 32.92 -3.57 35.37  
 
SNOWFALL (IN)  
TODAY 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 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 1  
MONTH TO DATE 0 7 -7 12  
SINCE SEP 1 0 7 -7 12  
SINCE JUL 1 0 8 -8 12  
 
COOLING  
TODAY 12 4 8 0  
MONTH TO DATE 139 116 23 117  
SINCE SEP 1 139 116 23 117  
SINCE JAN 1 1334 1167 167 1269    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1983  
MINIMUM TEMPERATURE (F) 58 40 1929  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2021.....SUNRISE 6:47 AM EDT SUNSET 7:06 PM EDT  
SEPTEMBER 19 2021.....SUNRISE 6:47 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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