570  
CDUS45 KTFX 210739  
CLIBZN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT THU SEP 21 2023  
   
...............................
 
 
...THE BOZEMAN/GALLATIN FIELD MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 69 411 PM 85 1991 71 -2 57  
MINIMUM 36 555 AM 20 1983 38 -2 45  
AVERAGE 53 55 -2 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 2019 0.04 -0.04 0.00  
MONTH TO DATE 0.94 0.65 0.29 0.55  
SINCE OCT 1 15.54 13.08 2.46 11.95  
SINCE JAN 1 12.87 10.80 2.07 9.49  
 
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 12 10 2 14  
MONTH TO DATE 73 150 -77 107  
SINCE SEP 1 73 150 -77 107  
SINCE JUL 1 110 256 -146 118  
 
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 26 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 700 AM  
LOWEST 26 300 PM  
AVERAGE 53  
   
......................................................
 
 
THE BOZEMAN/GALLATIN FIELD MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 87 1967  
MINIMUM TEMPERATURE (F) 38 19 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 710 AM MDT SUNSET 724 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 711 AM MDT SUNSET 722 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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