972  
CDUS41 KPHI 220555  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
155 AM EDT THU APR 22 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR APRIL 21 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
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 71 12:07 PM 92 1985 66 5 65  
MINIMUM 36 11:59 PM 28 1925 45 -9 38  
AVERAGE 54 55 -1 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.55 1991 0.11 -0.08 0.25  
MONTH TO DATE 1.74 2.49 -0.75 2.70  
SINCE MAR 1 6.54 6.41 0.13 6.04  
SINCE JAN 1 12.89 12.10 0.79 12.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.3 -0.3 T  
SINCE MAR 1 T 2.2 -2.2 T  
SINCE JUL 1 14.3 20.2 -5.9 0.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 10 1 13  
MONTH TO DATE 241 283 -42 289  
SINCE MAR 1 805 966 -161 783  
SINCE JUL 1 4119 4589 -470 3922  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE MAR 1 3 2 1 1  
SINCE JAN 1 3 2 1 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 12:00 PM  
LOWEST 44 10:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 94 1985  
MINIMUM TEMPERATURE (F) 45 30 1922  
1975  
 
SUNRISE AND SUNSET  
APRIL 22 2021.........SUNRISE 6:15 AM EDT SUNSET 7:48 PM EDT  
APRIL 23 2021.........SUNRISE 6:13 AM EDT SUNSET 7:49 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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