352  
CDUS41 KPHI 160552  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
152 AM EDT SUN MAY 16 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 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 77 1:24 PM 97 1900 73 4 84  
MINIMUM 44 5:09 AM 35 1939 53 -9 60  
AVERAGE 61 63 -2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 1981 0.11 -0.11 0.05  
MONTH TO DATE 0.40 1.66 -1.26 0.81  
SINCE MAR 1 7.56 9.33 -1.77 8.50  
SINCE JAN 1 13.91 15.39 -1.48 15.34  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1895 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 3.2 -3.2 T  
SINCE JUL 1 14.3 20.2 -5.9 0.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 4 0 0  
MONTH TO DATE 100 78 22 155  
SINCE MAR 1 983 1101 -118 1050  
SINCE JUL 1 4297 4589 -292 4189  
 
COOLING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 18 21 -3 9  
SINCE MAR 1 35 34 1 10  
SINCE JAN 1 35 34 1 10    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 29 1:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1900  
MINIMUM TEMPERATURE (F) 53 36 1940  
 
SUNRISE AND SUNSET  
MAY 16 2021...........SUNRISE 5:47 AM EDT SUNSET 8:11 PM EDT  
MAY 17 2021...........SUNRISE 5:46 AM EDT SUNSET 8:12 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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