930  
CDUS41 KPHI 180605  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
105 AM EST FRI DEC 18 2020  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR DECEMBER 17 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1894 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 4:13 PM 62 2000 44 -10 40  
MINIMUM 25 7:35 AM 6 1951 28 -3 35  
AVERAGE 30 36 -6 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 1.61 2000 0.10 0.12 0.66  
MONTH TO DATE 2.69 2.05 0.64 3.77  
SINCE DEC 1 2.69 2.05 0.64 3.77  
SINCE JAN 1 50.91 41.65 9.26 47.06  
 
SNOWFALL (IN)  
YESTERDAY 0.2 2.2 1973 0.1 0.1 0.0  
MONTH TO DATE 2.8 1.7 1.1 0.3  
SINCE DEC 1 2.8 1.7 1.1 0.3  
SINCE JUL 1 2.8 2.1 0.7 0.3  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 29 6 27  
MONTH TO DATE 435 450 -15 431  
SINCE DEC 1 435 450 -15 431  
SINCE JUL 1 1127 1348 -221 1260  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1300 1145 155 1508    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FREEZING RAIN  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 AM  
LOWEST 69 3:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 71 2006  
MINIMUM TEMPERATURE (F) 28 0 1919  
 
SUNRISE AND SUNSET  
DECEMBER 18 2020......SUNRISE 7:18 AM EST SUNSET 4:40 PM EST  
DECEMBER 19 2020......SUNRISE 7:19 AM EST SUNSET 4:41 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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