275  
CDUS41 KPHI 170555  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
155 AM EDT MON MAY 17 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 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 72 3:14 PM 90 1900 74 -2 79  
MINIMUM 44 4:24 AM 36 1940 53 -9 59  
AVERAGE 58 63 -5 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.06 1983 0.10 -0.10 0.00  
MONTH TO DATE 0.40 1.76 -1.36 0.81  
SINCE MAR 1 7.56 9.43 -1.87 8.50  
SINCE JAN 1 13.91 15.49 -1.58 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 7 4 3 0  
MONTH TO DATE 107 82 25 155  
SINCE MAR 1 990 1105 -115 1050  
SINCE JUL 1 4304 4593 -289 4189  
 
COOLING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 18 23 -5 13  
SINCE MAR 1 35 36 -1 14  
SINCE JAN 1 35 36 -1 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.3  
 
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 76 5:00 AM  
LOWEST 34 3:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1896  
MINIMUM TEMPERATURE (F) 54 35 1956  
1983  
 
SUNRISE AND SUNSET  
MAY 17 2021...........SUNRISE 5:46 AM EDT SUNSET 8:12 PM EDT  
MAY 18 2021...........SUNRISE 5:45 AM EDT SUNSET 8:13 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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