501  
CDUS43 KBIS 180723  
CLIISN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK ND  
123 AM CST TUE DEC 18 2018  
 
   
...............................
 
 
   
..THE WILLISTON ND CLIMATE SUMMARY FOR DECEMBER 17 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 44 235 PM 52 1998 24 20 38  
1923  
MINIMUM 27 1213 AM -37 1906 3 24 14  
AVERAGE 36 13 23 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.29 1970 0.01 -0.01 0.00  
MONTH TO DATE 0.28 0.32 -0.04 0.13  
SINCE DEC 1 0.28 0.32 -0.04 0.13  
SINCE JAN 1 14.43 14.07 0.36 11.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 52 -23 39  
MONTH TO DATE 663 838 -175 599  
SINCE DEC 1 663 838 -175 599  
SINCE JUL 1 2951 3000 -49 2613  
 
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 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.8  
 
 
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 85 900 PM  
LOWEST 49 100 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE WILLISTON ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 56 1979  
MINIMUM TEMPERATURE (F) 2 -36 1929  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2018......SUNRISE 841 AM CST SUNSET 502 PM CST  
DECEMBER 19 2018......SUNRISE 841 AM CST SUNSET 502 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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