170  
CDUS45 KBYZ 310940  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT WED MAY 31 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR MAY 30 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 82 229 PM 98 1984 73 9 60  
MINIMUM 53 442 AM 36 1982 48 5 51  
AVERAGE 68 60 8 56  
 
PRECIPITATION (IN)  
YESTERDAY T 1.85 2013 0.11 -0.11 0.01  
MONTH TO DATE 2.14 2.63 -0.49 1.45  
SINCE OCT 1 5.19 6.78 -1.59 6.23  
SINCE JAN 1 3.51 5.26 -1.75 3.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 9  
MONTH TO DATE 146 306 -160 319  
SINCE MAR 1 2012 1833 179 2007  
SINCE JUL 1 7818 7480 338 7311  
 
COOLING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 32 12 20 2  
SINCE MAR 1 34 13 21 2  
SINCE JAN 1 34 13 21 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 29 600 PM  
AVERAGE 61  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 1986  
MINIMUM TEMPERATURE (F) 48 32 1982  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 515 AM MDT SUNSET 848 PM MDT  
JUNE 1 2023..........SUNRISE 515 AM MDT SUNSET 848 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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