206  
CDUS41 KPHI 190557  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
157 AM EDT THU AUG 19 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR AUGUST 18 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 2:40 PM 96 2002 85 4 85  
MINIMUM 75 5:29 AM 51 1941 67 8 63  
AVERAGE 82 76 6 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 2.79 1946 0.12 0.08 0.00  
MONTH TO DATE 1.79 2.39 -0.60 6.63  
SINCE JUN 1 8.52 11.47 -2.95 14.84  
SINCE JAN 1 25.06 28.77 -3.71 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 17 11 6 9  
MONTH TO DATE 223 208 15 228  
SINCE JUN 1 902 838 64 958  
SINCE JAN 1 1003 925 78 1010    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 63 3:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 95 2002  
MINIMUM TEMPERATURE (F) 66 51 1924  
 
SUNRISE AND SUNSET  
AUGUST 19 2021........SUNRISE 6:19 AM EDT SUNSET 7:53 PM EDT  
AUGUST 20 2021........SUNRISE 6:20 AM EDT SUNSET 7:51 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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