333  
CDUS41 KPHI 180601  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
201 AM EDT WED AUG 18 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR AUGUST 17 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 81 10:30 AM 94 1968 85 -4 83  
1999  
2002  
MINIMUM 74 6:33 AM 49 1979 67 7 61  
AVERAGE 78 76 2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.56 3.06 1928 0.13 0.43 0.07  
MONTH TO DATE 1.59 2.27 -0.68 6.63  
SINCE JUN 1 8.32 11.35 -3.03 14.84  
SINCE JAN 1 24.86 28.65 -3.79 31.82  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 2 13 -11 6  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 13 11 2 7  
MONTH TO DATE 206 197 9 219  
SINCE JUN 1 885 827 58 949  
SINCE JAN 1 986 914 72 1001    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 PM  
LOWEST 76 10:00 AM  
AVERAGE 87  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 96 2002  
MINIMUM TEMPERATURE (F) 67 51 1941  
 
SUNRISE AND SUNSET  
AUGUST 18 2021........SUNRISE 6:18 AM EDT SUNSET 7:54 PM EDT  
AUGUST 19 2021........SUNRISE 6:19 AM EDT SUNSET 7:53 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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