850  
CDUS41 KPHI 182141  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
541 PM EDT FRI SEP 18 2020  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 18 2020
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1894 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 3:54 PM 90 1915 77 -4 76  
MINIMUM 62 6:45 AM 40 1959 57 5 54  
1990  
AVERAGE 68 67 1 65  
 
PRECIPITATION (IN)  
TODAY 0.00 2.54 2004 0.16 -0.16 0.00  
MONTH TO DATE 0.82 2.44 -1.62 0.29  
SINCE SEP 1 0.82 2.44 -1.62 0.29  
SINCE JAN 1 35.37 31.20 4.17 36.41  
 
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 2 -2 0  
MONTH TO DATE 11 13 -2 1  
SINCE SEP 1 11 13 -2 1  
SINCE JUL 1 11 15 -4 1  
 
COOLING  
TODAY 3 4 -1 0  
MONTH TO DATE 120 104 16 151  
SINCE SEP 1 120 104 16 151  
SINCE JAN 1 1272 1097 175 1381    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 50 4:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 1983  
MINIMUM TEMPERATURE (F) 57 40 1929  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2020.....SUNRISE 6:47 AM EDT SUNSET 7:05 PM EDT  
SEPTEMBER 19 2020.....SUNRISE 6:48 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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