567  
CDUS45 KBYZ 210940  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 355 PM 95 1937 74 -1 64  
MINIMUM 50 706 AM 28 1983 45 5 48  
AVERAGE 62 59 3 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 0.54 2018 0.04 0.13 0.00  
MONTH TO DATE 0.62 0.69 -0.07 0.16  
SINCE OCT 1 13.34 12.50 0.84 10.71  
SINCE JAN 1 11.66 10.98 0.68 8.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 7 -4 9  
MONTH TO DATE 16 87 -71 38  
SINCE SEP 1 16 87 -71 38  
SINCE JUL 1 31 121 -90 41  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 70 56 14 115  
SINCE SEP 1 70 56 14 115  
SINCE JAN 1 824 719 105 929    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
MIXED PRECIP  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 700 AM  
LOWEST 33 500 PM  
AVERAGE 57  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1938  
MINIMUM TEMPERATURE (F) 45 19 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 649 AM MDT SUNSET 703 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 650 AM MDT SUNSET 701 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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