CDUS45 KBYZ 180931
CLIMLS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BILLINGS MT
331 AM MDT MON MAY 18 2026

...................................

...THE MILES CITY MT CLIMATE SUMMARY FOR MAY 17 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         56    254 PM  92    1972  69    -13       71       
  MINIMUM         38   1125 PM  31    2002  43     -5       44       
  AVERAGE         47                        56     -9       58     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             2.30 1978   0.09  -0.09     0.00     
  MONTH TO DATE    T                         1.35  -1.35     0.39     
  SINCE OCT 1      5.76                      5.50   0.26     3.27     
  SINCE JAN 1      2.36                      3.98  -1.62     2.20     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       18                        10      8        7        
  MONTH TO DATE  179                       210    -31      109        
  SINCE MAR 1   1522                      1737   -215     1409        
  SINCE JUL 1   6130                      7384  -1254     6941        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    6                         0      6       28        
  SINCE MAR 1      8                         1      7       28        
  SINCE JAN 1      8                         1      7       28        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED    18.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.9                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1100 PM                                      
 LOWEST     45           400 PM                                      
 AVERAGE    69                                                        

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THE MILES CITY MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        98      1948                      
 MINIMUM TEMPERATURE (F)   44        30      2015                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   526 AM MDT   SUNSET   834 PM MDT     
MAY 19 2026...........SUNRISE   525 AM MDT   SUNSET   835 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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