500  
CDUS43 KBIS 170739  
CLIBIS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK, ND  
239 AM CDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE BISMARCK ND CLIMATE SUMMARY FOR AUGUST 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1875 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 3:25 PM 102 2021 84 -1 77  
MINIMUM 62 6:28 AM 41 1970 56 6 61  
AVERAGE 73 70 3 69  
 
PRECIPITATION (IN)  
YESTERDAY T 1.50 1880 0.08 -0.08 0.00  
MONTH TO DATE 1.34 1.38 -0.04 2.81  
SINCE JUN 1 7.63 7.81 -0.18 8.53  
SINCE JAN 1 15.68 13.49 2.19 14.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 T 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 22  
SINCE JUN 1 85 98 -13 90  
SINCE JUL 1 16 21 -5 22  
 
COOLING  
YESTERDAY 8 6 2 4  
MONTH TO DATE 88 107 -19 60  
SINCE JUN 1 394 406 -12 387  
SINCE JAN 1 442 423 19 390    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 10:00 PM  
LOWEST 62 1:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE BISMARCK ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 106 2003  
MINIMUM TEMPERATURE (F) 56 36 1888  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 6:44 AM CDT SUNSET 8:49 PM CDT  
AUGUST 18 2025........SUNRISE 6:45 AM CDT SUNSET 8:47 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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