569  
CDUS41 KPHI 140558  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1258 AM EST MON DEC 14 2020  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR DECEMBER 13 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 65 1:11 PM 67 2015 45 20 52  
MINIMUM 38 11:27 PM 7 1960 29 9 30  
AVERAGE 52 37 15 41  
 
PRECIPITATION (IN)  
YESTERDAY T 2.09 1996 0.12 -0.12 0.37  
MONTH TO DATE 1.04 1.61 -0.57 2.57  
SINCE DEC 1 1.04 1.61 -0.57 2.57  
SINCE JAN 1 49.26 41.21 8.05 45.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 1915 0.2 -0.2 0.0  
MONTH TO DATE T 1.3 -1.3 0.2  
SINCE DEC 1 T 1.3 -1.3 0.2  
SINCE JUL 1 T 1.7 -1.7 0.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 28 -15 24  
MONTH TO DATE 307 336 -29 337  
SINCE DEC 1 307 336 -29 337  
SINCE JUL 1 999 1234 -235 1166  
 
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 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 43 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 69 2015  
MINIMUM TEMPERATURE (F) 29 10 1982  
 
SUNRISE AND SUNSET  
DECEMBER 14 2020......SUNRISE 7:16 AM EST SUNSET 4:39 PM EST  
DECEMBER 15 2020......SUNRISE 7:16 AM EST SUNSET 4:39 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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