126  
CDUS45 KBYZ 141032  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
332 AM MST SUN DEC 14 2025  
   
...............................  
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR DECEMBER 13 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 11 1159 PM 54 1997 34 -23 23  
2014  
MINIMUM -2 847 AM -25 1985 12 -14 8  
AVERAGE 5 23 -18 16  
 
PRECIPITATION (IN)  
YESTERDAY T 0.33 1951 0.00 0.00 0.00  
MONTH TO DATE 0.36 0.07 0.29 0.02  
SINCE OCT 1 3.17 1.37 1.80 0.38  
SINCE JAN 1 12.95 12.73 0.22 10.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 60 42 18 49  
MONTH TO DATE 527 523 4 507  
SINCE DEC 1 527 523 4 507  
SINCE JUL 1 1897 2281 -384 1927  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 805 731 74 823    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1200 AM  
LOWEST 76 1200 PM  
AVERAGE 82  
   
......................................................  
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 56 1979  
MINIMUM TEMPERATURE (F) 12 -24 1963  
 
SUNRISE AND SUNSET  
DECEMBER 14 2025......SUNRISE 740 AM MST SUNSET 417 PM MST  
DECEMBER 15 2025......SUNRISE 741 AM MST SUNSET 417 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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