246  
CDUS41 KPHI 190553  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
153 AM EDT WED MAY 19 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 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 80 3:05 PM 94 1962 74 6 70  
MINIMUM 49 2:40 AM 40 1967 54 -5 53  
AVERAGE 65 64 1 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.01 1946 0.12 -0.12 0.00  
MONTH TO DATE 0.40 1.99 -1.59 0.81  
SINCE MAR 1 7.56 9.66 -2.10 8.50  
SINCE JAN 1 13.91 15.72 -1.81 15.34  
 
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 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 0 4 -4 3  
MONTH TO DATE 111 90 21 161  
SINCE MAR 1 994 1113 -119 1056  
SINCE JUL 1 4308 4601 -293 4195  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 18 27 -9 13  
SINCE MAR 1 35 40 -5 14  
SINCE JAN 1 35 40 -5 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 24 2:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 95 1962  
MINIMUM TEMPERATURE (F) 54 37 2009  
 
SUNRISE AND SUNSET  
MAY 19 2021...........SUNRISE 5:44 AM EDT SUNSET 8:14 PM EDT  
MAY 20 2021...........SUNRISE 5:44 AM EDT SUNSET 8:15 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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