911  
CDUS45 KTFX 180737  
CLIBZN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT MON SEP 18 2023  
   
...............................
 
 
...THE BOZEMAN/GALLATIN FIELD MT CLIMATE SUMMARY FOR SEPTEMBER 17 2023...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1935 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 349 PM 93 2009 73 12 72  
MINIMUM 41 510 AM 23 1965 39 2 38  
AVERAGE 63 56 7 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.07 1942 0.03 -0.03 0.00  
MONTH TO DATE 0.94 0.54 0.40 0.54  
SINCE OCT 1 15.54 12.97 2.57 11.94  
SINCE JAN 1 12.87 10.69 2.18 9.48  
 
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 2 9 -7 10  
MONTH TO DATE 52 120 -68 79  
SINCE SEP 1 52 120 -68 79  
SINCE JUL 1 89 226 -137 90  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 8 9 -1 46  
SINCE SEP 1 8 9 -1 46  
SINCE JAN 1 240 231 9 451    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 100 AM  
LOWEST 12 300 PM  
AVERAGE 44  
   
......................................................
 
 
THE BOZEMAN/GALLATIN FIELD MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1981  
2009  
MINIMUM TEMPERATURE (F) 39 21 1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 706 AM MDT SUNSET 730 PM MDT  
SEPTEMBER 19 2023.....SUNRISE 708 AM MDT SUNSET 728 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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