931  
CDUS41 KPHI 130552  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST SUN DEC 13 2020  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR DECEMBER 12 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 62 3:18 PM 68 2015 46 16 37  
MINIMUM 35 4:40 AM 8 1988 30 5 22  
AVERAGE 49 38 11 30  
 
PRECIPITATION (IN)  
YESTERDAY T 1.85 1983 0.12 -0.12 0.00  
MONTH TO DATE 1.04 1.49 -0.45 2.20  
SINCE DEC 1 1.04 1.49 -0.45 2.20  
SINCE JAN 1 49.26 41.09 8.17 45.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.2 1982 0.1 -0.1 0.0  
MONTH TO DATE T 1.1 -1.1 0.2  
SINCE DEC 1 T 1.1 -1.1 0.2  
SINCE JUL 1 T 1.5 -1.5 0.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 27 -11 35  
MONTH TO DATE 294 308 -14 313  
SINCE DEC 1 294 308 -14 313  
SINCE JUL 1 986 1206 -220 1142  
 
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 (190)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 PM  
LOWEST 58 3:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 67 2015  
MINIMUM TEMPERATURE (F) 29 7 1960  
 
SUNRISE AND SUNSET  
DECEMBER 13 2020......SUNRISE 7:15 AM EST SUNSET 4:39 PM EST  
DECEMBER 14 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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