400  
CDUS41 KPHI 160554  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
154 AM EDT THU SEP 16 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 15 2021
 
 
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)  
YESTERDAY  
MAXIMUM 89 2:30 PM 91 1927 79 10 68  
1993  
MINIMUM 70 11:10 PM 43 1895 60 10 50  
AVERAGE 80 69 11 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.60 1904 0.15 -0.12 0.00  
MONTH TO DATE 3.32 2.08 1.24 0.78  
SINCE SEP 1 3.32 2.08 1.24 0.78  
SINCE JAN 1 29.35 32.44 -3.09 35.33  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 6  
MONTH TO DATE 0 4 -4 6  
SINCE SEP 1 0 4 -4 6  
SINCE JUL 1 0 5 -5 6  
 
COOLING  
YESTERDAY 15 5 10 0  
MONTH TO DATE 106 102 4 114  
SINCE SEP 1 106 102 4 114  
SINCE JAN 1 1301 1153 148 1266    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 43 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 1970  
MINIMUM TEMPERATURE (F) 59 40 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2021.....SUNRISE 6:45 AM EDT SUNSET 7:09 PM EDT  
SEPTEMBER 17 2021.....SUNRISE 6:46 AM EDT SUNSET 7:07 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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