669  
CDUS43 KBIS 020749  
CLIISN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK ND  
249 AM CDT THU MAY 2 2019  
 
   
...............................
 
 
   
..THE WILLISTON ND CLIMATE SUMMARY FOR MAY 1 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 50 516 PM 89 1901 63 -13 55  
MINIMUM 33 555 AM 20 1909 35 -2 39  
AVERAGE 42 49 -7 47  
 
PRECIPITATION (IN)  
YESTERDAY T 0.61 1972 0.05 -0.05 0.00  
MONTH TO DATE T 0.05 -0.05 0.00  
SINCE MAR 1 0.73 1.76 -1.03 2.24  
SINCE JAN 1 2.66 2.74 -0.08 2.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 16 7 18  
MONTH TO DATE 23 16 7 18  
SINCE MAR 1 1939 1773 166 2152  
SINCE JUL 1 8924 8541 383 9006  
 
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 12 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 42 400 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE WILLISTON ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 94 1982  
MINIMUM TEMPERATURE (F) 36 16 1911  
 
 
SUNRISE AND SUNSET  
MAY 2 2019...........SUNRISE 635 AM CDT SUNSET 909 PM CDT  
MAY 3 2019...........SUNRISE 633 AM CDT SUNSET 911 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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