581  
CDUS43 KBIS 110721  
CLIISN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK ND  
221 AM CDT SAT MAY 11 2019  
 
   
...............................
 
 
   
..THE WILLISTON ND CLIMATE SUMMARY FOR MAY 10 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1894 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 222 PM 90 1900 66 4 50  
MINIMUM 41 537 AM 25 1927 39 2 40  
AVERAGE 56 52 4 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.27 2011 0.06 -0.03 0.08  
MONTH TO DATE 0.12 0.51 -0.39 0.13  
SINCE MAR 1 0.85 2.22 -1.37 2.37  
SINCE JAN 1 2.78 3.20 -0.42 2.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 13 -4 20  
MONTH TO DATE 202 144 58 91  
SINCE MAR 1 2118 1901 217 2225  
SINCE JUL 1 9103 8669 434 9079  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 900 PM  
LOWEST 20 100 PM  
AVERAGE 53  
   
......................................................
 
 
 
THE WILLISTON ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 96 1900  
MINIMUM TEMPERATURE (F) 39 17 1980  
 
 
SUNRISE AND SUNSET  
MAY 11 2019...........SUNRISE 621 AM CDT SUNSET 922 PM CDT  
MAY 12 2019...........SUNRISE 619 AM CDT SUNSET 923 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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