292  
CDUS43 KBIS 220730  
CLIISN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK ND  
229 AM CDT TUE MAY 22 2018  
 
   
...............................
 
 
   
..THE WILLISTON ND CLIMATE SUMMARY FOR MAY 21 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 80 606 PM 102 1980 69 11 74  
MINIMUM 50 544 AM 26 2009 42 8 34  
1931  
AVERAGE 65 56 9 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.95 1903 0.06 -0.06 0.05  
MONTH TO DATE 0.30 1.19 -0.89 0.75  
SINCE MAR 1 2.54 2.90 -0.36 2.10  
SINCE JAN 1 3.11 3.88 -0.77 3.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 11  
MONTH TO DATE 174 267 -93 184  
SINCE MAR 1 2308 2024 284 1842  
SINCE JUL 1 9162 8792 370 7864  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 6 0 6 22  
SINCE MAR 1 6 1 5 22  
SINCE JAN 1 6 1 5 22    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 1000 PM  
LOWEST 25 300 PM  
AVERAGE 51  
   
......................................................
 
 
 
THE WILLISTON ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 106 1980  
MINIMUM TEMPERATURE (F) 43 28 1963  
 
 
SUNRISE AND SUNSET  
MAY 22 2018...........SUNRISE 607 AM CDT SUNSET 936 PM CDT  
MAY 23 2018...........SUNRISE 606 AM CDT SUNSET 937 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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