066  
CDUS41 KPHI 172128  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
426 PM EST SUN DEC 17 2017  
 
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR DECEMBER 17 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1894 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 45 223 PM 62 2000 44 1 37  
MINIMUM 26 713 AM 6 1951 28 -2 26  
AVERAGE 36 36 0 32  
 
PRECIPITATION (IN)  
TODAY 0.00 1.61 2000 0.10 -0.10 0.73  
MONTH TO DATE 0.73 2.05 -1.32 1.85  
SINCE DEC 1 0.73 2.05 -1.32 1.85  
SINCE JAN 1 39.40 41.65 -2.25 40.04  
 
SNOWFALL (IN)  
TODAY 0.0 2.2 1973 0.1 -0.1 T  
MONTH TO DATE 7.0 1.7 5.3 T  
SINCE DEC 1 7.0 1.7 5.3 T  
SINCE JUL 1 7.0 2.1 4.9 T  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 29 29 0 33  
MONTH TO DATE 474 450 24 463  
SINCE DEC 1 474 450 24 463  
SINCE JUL 1 1202 1348 -146 1187  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1304 1145 159 1489    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 2.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 300 AM  
LOWEST 53 200 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 71 2006  
MINIMUM TEMPERATURE (F) 28 0 1919  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2017......SUNRISE 718 AM EST SUNSET 440 PM EST  
DECEMBER 18 2017......SUNRISE 718 AM EST SUNSET 440 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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