565  
CDUS43 KBIS 300728  
CLIISN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK ND  
228 AM CDT MON SEP 30 2019  
 
   
...............................
 
 
   
..THE WILLISTON ND CLIMATE SUMMARY FOR SEPTEMBER 29 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 45 514 PM 85 2012 65 -20 54  
1989  
1967  
MINIMUM 41 958 AM 13 1907 36 5 37  
AVERAGE 43 50 -7 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 0.93 1937 0.04 0.19 0.00  
MONTH TO DATE 7.98 1.03 6.95 1.38  
SINCE SEP 1 7.98 1.03 6.95 1.38  
SINCE JAN 1 19.60 12.15 7.45 12.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 15 7 19  
MONTH TO DATE 182 260 -78 297  
SINCE SEP 1 182 260 -78 297  
SINCE JUL 1 230 331 -101 370  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 20 24 -4 23  
SINCE SEP 1 20 24 -4 23  
SINCE JAN 1 397 453 -56 534    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 14.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1100 PM  
LOWEST 82 400 AM  
AVERAGE 89  
   
......................................................
 
 
 
THE WILLISTON ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 92 1963  
MINIMUM TEMPERATURE (F) 36 15 2003  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2019.....SUNRISE 752 AM CDT SUNSET 736 PM CDT  
OCTOBER 1 2019.......SUNRISE 754 AM CDT SUNSET 734 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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