231  
CDUS41 KPHI 170553  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
153 AM EDT TUE AUG 17 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR AUGUST 16 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 83 2:36 PM 98 1895 85 -2 73  
MINIMUM 72 5:34 AM 52 1979 67 5 64  
AVERAGE 78 76 2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.84 1909 0.13 -0.03 1.04  
MONTH TO DATE 1.03 2.14 -1.11 6.56  
SINCE JUN 1 7.76 11.22 -3.46 14.77  
SINCE JAN 1 24.30 28.52 -4.22 31.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1996 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 4  
MONTH TO DATE 193 186 7 212  
SINCE JUN 1 872 816 56 942  
SINCE JAN 1 973 903 70 994    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 5:00 AM  
LOWEST 63 12:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 94 1968  
1999  
2002  
MINIMUM TEMPERATURE (F) 67 49 1979  
 
SUNRISE AND SUNSET  
AUGUST 17 2021........SUNRISE 6:17 AM EDT SUNSET 7:55 PM EDT  
AUGUST 18 2021........SUNRISE 6:18 AM EDT SUNSET 7:54 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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