824  
CDUS45 KBYZ 180930  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
330 AM MDT MON SEP 18 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 17 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 91 251 PM 94 2000 75 16 76  
2009  
MINIMUM 54 604 AM 25 1965 46 8 53  
AVERAGE 73 61 12 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1942 0.04 -0.04 0.02  
MONTH TO DATE 0.45 0.58 -0.13 0.16  
SINCE OCT 1 13.17 12.39 0.78 10.71  
SINCE JAN 1 11.49 10.87 0.62 8.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 13 68 -55 29  
SINCE SEP 1 13 68 -55 29  
SINCE JUL 1 28 102 -74 32  
 
COOLING  
YESTERDAY 8 2 6 0  
MONTH TO DATE 64 52 12 110  
SINCE SEP 1 64 52 12 110  
SINCE JAN 1 818 715 103 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 600 AM  
LOWEST 10 300 PM  
AVERAGE 34  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 98 2021  
MINIMUM TEMPERATURE (F) 46 28 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 645 AM MDT SUNSET 709 PM MDT  
SEPTEMBER 19 2023.....SUNRISE 646 AM MDT SUNSET 707 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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