631  
CDUS43 KABR 141034  
CLIATY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
433 AM CST THU DEC 14 2017  
 
   
...............................
 
 
   
..THE WATERTOWN SD CLIMATE SUMMARY FOR DECEMBER 13 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 43 203 AM 57 1913 25 18 11  
MINIMUM 25 1159 PM -32 1917 8 17 -13  
AVERAGE 34 16 18 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.37 1920 0.02 0.00 0.00  
MONTH TO DATE 0.07 0.24 -0.17 0.39  
SINCE DEC 1 0.07 0.24 -0.17 0.39  
SINCE JAN 1 22.94 21.79 1.15 22.55  
 
SNOWFALL (IN)  
YESTERDAY T  
MONTH TO DATE 0.6  
SINCE OCT 1 2.5  
SINCE JUL 1 2.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 49 -18 66  
MONTH TO DATE 498 604 -106 679  
SINCE DEC 1 498 604 -106 679  
SINCE JUL 1 2263 2544 -281 2050  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 440 515 -75 721    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 19.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 49 200 AM  
AVERAGE 75  
   
......................................................
 
 
 
THE WATERTOWN SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 25 54 1998  
MINIMUM TEMPERATURE (F) 7 -33 1917  
 
 
SUNRISE AND SUNSET  
DECEMBER 14 2017......SUNRISE 759 AM CST SUNSET 448 PM CST  
DECEMBER 15 2017......SUNRISE 800 AM CST SUNSET 448 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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