534  
CDUS43 KBIS 120721  
CLIBIS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BISMARCK, ND  
221 AM CDT FRI SEP 12 2025  
   
...............................
 
 
   
..THE BISMARCK ND CLIMATE SUMMARY FOR SEPTEMBER 11 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 90 3:56 PM 97 1948 76 14 81  
MINIMUM 64 6:39 AM 20 1964 48 16 52  
AVERAGE 77 62 15 67  
 
PRECIPITATION (IN)  
YESTERDAY T 1.74 1930 0.07 -0.07 T  
MONTH TO DATE 0.06 0.70 -0.64 0.04  
SINCE SEP 1 0.06 0.70 -0.64 0.04  
SINCE JAN 1 16.10 15.31 0.79 14.73  
 
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 SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 58 44 14 14  
SINCE SEP 1 58 44 14 14  
SINCE JUL 1 91 91 0 39  
 
COOLING  
YESTERDAY 12 2 10 2  
MONTH TO DATE 23 27 -4 41  
SINCE SEP 1 23 27 -4 41  
SINCE JAN 1 540 517 23 515    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE BISMARCK ND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 96 2017  
MINIMUM TEMPERATURE (F) 47 28 1964  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2025.....SUNRISE 7:17 AM CDT SUNSET 8:00 PM CDT  
SEPTEMBER 13 2025.....SUNRISE 7:19 AM CDT SUNSET 7:58 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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