334  
CDUS45 KTFX 180833  
CLIBZN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MST MON DEC 18 2023  
   
...............................
 
 
...THE BOZEMAN/GALLATIN FIELD MT CLIMATE SUMMARY FOR DECEMBER 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 47 356 PM 56 1979 31 16 21  
MINIMUM 19 1025 PM -35 2016 9 10 -3  
AVERAGE 33 20 13 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 1963 0.01 -0.01 0.00  
MONTH TO DATE 0.36 0.26 0.10 0.52  
SINCE OCT 1 0.71 2.10 -1.39 2.45  
SINCE JAN 1 14.26 13.25 1.01 12.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.6  
SINCE DEC 1 0.6  
SINCE JUL 1 8.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 45 -13 56  
MONTH TO DATE 564 739 -175 831  
SINCE DEC 1 564 739 -175 831  
SINCE JUL 1 2340 2841 -501 2991  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 240 233 7 451    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 35 200 PM  
AVERAGE 64  
   
......................................................
 
 
THE BOZEMAN/GALLATIN FIELD MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 61 1979  
MINIMUM TEMPERATURE (F) 9 -25 1955  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 801 AM MST SUNSET 441 PM MST  
DECEMBER 19 2023......SUNRISE 801 AM MST SUNSET 442 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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