321  
CDUS45 KBYZ 090940  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT TUE SEP 09 2025  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 8 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 89 301 PM 99 1998 79 10 92  
MINIMUM 54 607 AM 30 2020 50 4 47  
AVERAGE 72 64 8 70  
 
PRECIPITATION (IN)  
YESTERDAY T 1.74 1946 0.03 -0.03 0.00  
MONTH TO DATE T 0.27 -0.27 0.01  
SINCE OCT 1 10.13 12.08 -1.95 10.91  
SINCE JAN 1 9.06 10.56 -1.50 9.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 31 24 7 4  
SINCE SEP 1 31 24 7 4  
SINCE JUL 1 44 58 -14 29  
 
COOLING  
YESTERDAY 7 3 4 5  
MONTH TO DATE 27 31 -4 45  
SINCE SEP 1 27 31 -4 45  
SINCE JAN 1 736 694 42 742    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 400 AM  
LOWEST 21 300 PM  
AVERAGE 43  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 100 1998  
MINIMUM TEMPERATURE (F) 49 30 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2025.....SUNRISE 634 AM MDT SUNSET 726 PM MDT  
SEPTEMBER 10 2025.....SUNRISE 636 AM MDT SUNSET 724 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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