899  
CDUS43 KBIS 150723  
CLIISN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK ND  
122 AM CST SAT DEC 15 2018  
 
   
...............................
 
 
   
..THE WILLISTON ND CLIMATE SUMMARY FOR DECEMBER 14 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1894 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 405 PM 53 1998 24 23 38  
MINIMUM 19 757 AM -28 1963 3 16 22  
1901  
AVERAGE 33 14 19 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.27 1948 0.02 -0.02 0.00  
MONTH TO DATE 0.28 0.26 0.02 0.13  
SINCE DEC 1 0.28 0.26 0.02 0.13  
SINCE JAN 1 14.43 14.01 0.42 11.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 51 -19 35  
MONTH TO DATE 568 683 -115 495  
SINCE DEC 1 568 683 -115 495  
SINCE JUL 1 2856 2845 11 2509  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 534 456 78 643    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 800 AM  
LOWEST 37 400 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE WILLISTON ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 24 55 1939  
MINIMUM TEMPERATURE (F) 3 -29 1963  
 
 
SUNRISE AND SUNSET  
DECEMBER 15 2018......SUNRISE 838 AM CST SUNSET 501 PM CST  
DECEMBER 16 2018......SUNRISE 839 AM CST SUNSET 501 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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