395  
CDUS41 KPHI 310615  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
215 AM EDT MON MAY 31 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 30 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 53 4:44 PM 98 1895 77 -24 82  
MINIMUM 47 11:33 PM 41 1961 58 -11 65  
AVERAGE 50 68 -18 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 1.10 1983 0.13 0.05 T  
MONTH TO DATE 3.03 3.44 -0.41 2.45  
SINCE MAR 1 10.19 11.11 -0.92 10.14  
SINCE JAN 1 16.54 17.17 -0.63 16.98  
 
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 15 2 13 0  
MONTH TO DATE 143 121 22 186  
SINCE MAR 1 1026 1144 -118 1081  
SINCE JUL 1 4340 4632 -292 4220  
 
COOLING  
YESTERDAY 0 4 -4 9  
MONTH TO DATE 84 69 15 51  
SINCE MAR 1 101 82 19 52  
SINCE JAN 1 101 82 19 52    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 10:00 AM  
LOWEST 80 5:00 PM  
AVERAGE 87  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1895  
2011  
MINIMUM TEMPERATURE (F) 58 41 1938  
 
SUNRISE AND SUNSET  
MAY 31 2021...........SUNRISE 5:37 AM EDT SUNSET 8:24 PM EDT  
JUNE 1 2021..........SUNRISE 5:37 AM EDT SUNSET 8:24 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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