222  
CDUS45 KBYZ 100939  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
339 AM MDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 9 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 75 344 PM 100 1998 79 -4 65  
MINIMUM 53 631 AM 30 2020 49 4 44  
AVERAGE 64 64 0 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 1946 0.03 -0.03 0.01  
MONTH TO DATE 0.45 0.30 0.15 0.07  
SINCE OCT 1 13.17 12.11 1.06 10.62  
SINCE JAN 1 11.49 10.59 0.90 7.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 4 -3 10  
MONTH TO DATE 6 28 -22 10  
SINCE SEP 1 6 28 -22 10  
SINCE JUL 1 21 62 -41 13  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 47 34 13 103  
SINCE SEP 1 47 34 13 103  
SINCE JAN 1 801 697 104 917    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 AM  
LOWEST 40 400 PM  
AVERAGE 65  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1958  
MINIMUM TEMPERATURE (F) 49 34 1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 635 AM MDT SUNSET 725 PM MDT  
SEPTEMBER 11 2023.....SUNRISE 636 AM MDT SUNSET 723 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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