338  
CDUS45 KBYZ 181037  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
337 AM MST MON DEC 18 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR DECEMBER 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 42 1229 PM 64 1998 32 10 24  
MINIMUM 20 1147 PM -29 1964 11 9 10  
AVERAGE 31 22 9 17  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 1985 0.01 -0.01 T  
MONTH TO DATE 0.10 0.10 0.00 0.14  
SINCE OCT 1 1.17 1.40 -0.23 1.65  
SINCE JAN 1 14.61 12.76 1.85 9.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 43 -9 48  
MONTH TO DATE 525 694 -169 876  
SINCE DEC 1 525 694 -169 876  
SINCE JUL 1 2073 2452 -379 2641  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 830 731 99 938    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 300 AM  
LOWEST 37 300 PM  
AVERAGE 59  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 62 1979  
MINIMUM TEMPERATURE (F) 11 -25 1983  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 742 AM MST SUNSET 418 PM MST  
DECEMBER 19 2023......SUNRISE 743 AM MST SUNSET 418 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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