CDUS45 KMSO 182240
CLIBTM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
440 PM MDT MON MAY 18 2026

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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         44    253 PM  84    2009  62    -18       49       
  MINIMUM         29    551 AM  21    1960  35     -6       37       
  AVERAGE         37                        48    -11       43     

PRECIPITATION (IN)                                                    
  TODAY            0.00          1.09 1944   0.06  -0.06     0.16     
  MONTH TO DATE    0.07                      0.96  -0.89     2.36     
  SINCE JAN 1      3.15                      3.78  -0.63     4.80     

SNOWFALL (IN)                                                              
  TODAY           MM                                                  
  MONTH TO DATE    T                                                  
  SINCE MAR 1      T                                                  
  SINCE JUL 1      T                                                  
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY           28                        16     12       22        
  MONTH TO DATE  308                       349    -41      310        
  SINCE MAR 1   1876                      2173   -297     1975        
  SINCE JUL 1   6860                      8648  -1788     7989        

 COOLING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      0                         0      0        0        
  SINCE JAN 1      0                         0      0        0        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (350)       
  AVERAGE WIND SPEED     6.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.9                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           500 AM                                      
 LOWEST     33           300 PM                                      
 AVERAGE    61                                                        

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


THE BUTTE MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   62        85      1954                      
 MINIMUM TEMPERATURE (F)   36        22      2003                      


SUNRISE AND SUNSETMAY 18 2026...........SUNRISE   554 AM MDT   SUNSET   859 PM MDT     
MAY 19 2026...........SUNRISE   553 AM MDT   SUNSET   900 PM MDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$