383  
CDUS45 KBYZ 302231  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT WED SEP 30 2026  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 30 2026
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 1234 PM 93 1989 68 9 88  
MINIMUM 45 401 AM 21 1985 41 4 60  
AVERAGE 61 55 6 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.00 1977 0.03 -0.03 0.02  
MONTH TO DATE 2.30 1.07 1.23 0.72  
SINCE OCT 1 14.13 12.88 1.25 10.85  
SINCE JAN 1 10.73 11.36 -0.63 9.78  
 
DEGREE DAYS  
HEATING  
TODAY 4 11 -7 0  
MONTH TO DATE 79 177 -98 52  
SINCE SEP 1 79 177 -98 52  
SINCE JUL 1 90 211 -121 65  
 
COOLING  
TODAY 0 1 -1 9  
MONTH TO DATE 90 64 26 90  
SINCE SEP 1 90 64 26 90  
SINCE JAN 1 955 727 228 799    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 AM  
LOWEST 32 1200 PM  
AVERAGE 61  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 95 2011  
MINIMUM TEMPERATURE (F) 41 23 2004  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2026.....SUNRISE 701 AM MDT SUNSET 645 PM MDT  
OCTOBER 1 2026.......SUNRISE 702 AM MDT SUNSET 643 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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