427  
CDUS45 KTFX 150736  
CLIBZN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT MON SEP 15 2025  
   
...............................
 
 
...THE BOZEMAN/GALLATIN FIELD MT CLIMATE SUMMARY FOR SEPTEMBER 14 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1935 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 94 1948 74 MM 76  
MINIMUM MM MM 22 1970 40 MM 39  
AVERAGE MM 57 MM 58  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.40 1986 0.03 MM 0.00  
MONTH TO DATE 0.26 0.45 -0.19 0.84  
SINCE OCT 1 10.22 12.88 -2.66 12.29  
SINCE JAN 1 8.43 10.60 -2.17 11.35  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 8 MM 7  
MONTH TO DATE 28 93 -65 32  
SINCE SEP 1 28 93 -65 32  
SINCE JUL 1 68 199 -131 81  
 
COOLING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE 15 9 6 25  
SINCE SEP 1 15 9 6 25  
SINCE JAN 1 259 231 28 326    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE BOZEMAN/GALLATIN FIELD MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 2000  
MINIMUM TEMPERATURE (F) 40 26 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2025.....SUNRISE 703 AM MDT SUNSET 735 PM MDT  
SEPTEMBER 16 2025.....SUNRISE 705 AM MDT SUNSET 733 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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