126  
CDUS41 KPHI 210555  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1255 AM EST MON DEC 21 2020  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR DECEMBER 20 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 42 3:41 PM 66 1895 43 -1 39  
MINIMUM 30 12:55 AM 2 1942 27 3 17  
AVERAGE 36 35 1 28  
 
PRECIPITATION (IN)  
YESTERDAY T 1.52 1903 0.10 -0.10 0.00  
MONTH TO DATE 2.69 2.37 0.32 3.77  
SINCE DEC 1 2.69 2.37 0.32 3.77  
SINCE JAN 1 50.91 41.97 8.94 47.06  
 
SNOWFALL (IN)  
YESTERDAY T 5.1 1966 0.1 -0.1 0.0  
MONTH TO DATE 2.8 2.1 0.7 0.3  
SINCE DEC 1 2.8 2.1 0.7 0.3  
SINCE JUL 1 2.8 2.5 0.3 0.3  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 30 -1 37  
MONTH TO DATE 538 538 0 541  
SINCE DEC 1 538 538 0 541  
SINCE JUL 1 1230 1436 -206 1370  
 
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 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 9:00 PM  
LOWEST 69 12:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 68 2013  
MINIMUM TEMPERATURE (F) 27 -1 1942  
 
SUNRISE AND SUNSET  
DECEMBER 21 2020......SUNRISE 7:20 AM EST SUNSET 4:42 PM EST  
DECEMBER 22 2020......SUNRISE 7:20 AM EST SUNSET 4:42 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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