181  
CDUS45 KBYZ 192231  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT SAT SEP 19 2026  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 19 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 66 1229 AM 99 1937 74 -8 75  
MINIMUM 60 259 PM 29 1965 46 14 48  
AVERAGE 63 60 3 62  
 
PRECIPITATION (IN)  
TODAY 0.98R 0.96 1985 0.04 0.94 0.00  
MONTH TO DATE 1.00 0.65 0.35 0.70  
SINCE OCT 1 12.83 12.46 0.37 10.83  
SINCE JAN 1 9.43 10.94 -1.51 9.76  
 
DEGREE DAYS  
HEATING  
TODAY 2 6 -4 3  
MONTH TO DATE 40 80 -40 38  
SINCE SEP 1 40 80 -40 38  
SINCE JUL 1 51 114 -63 51  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 77 55 22 64  
SINCE SEP 1 77 55 22 64  
SINCE JAN 1 942 718 224 773    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 70 1200 AM  
AVERAGE 85  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 95 1937  
MINIMUM TEMPERATURE (F) 45 28 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2026.....SUNRISE 647 AM MDT SUNSET 707 PM MDT  
SEPTEMBER 20 2026.....SUNRISE 648 AM MDT SUNSET 705 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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