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CDUS45 KMSO 210745
CLIBTM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
145 AM MDT MON SEP 21 2020

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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 20 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         63    455 PM  83    1918  66     -3       52       
  MINIMUM         38   1159 PM   8    1983  34      4       43       
  AVERAGE         51                        50      1       48     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.63 1968   0.03  -0.03     0.01     
  MONTH TO DATE    0.36                      0.70  -0.34     1.75     
  SINCE JAN 1      8.68                     10.58  -1.90    11.82     

SNOWFALL (IN)                                                              
  YESTERDAY       MM                                                  
  MONTH TO DATE   MM                                                  
  SINCE SEP 1     MM                                                  
  SINCE JUL 1     MM                                                  
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       14                        15     -1       17        
  MONTH TO DATE  161                       223    -62      158        
  SINCE SEP 1    161                       223    -62      158        
  SINCE JUL 1    336                       451   -115      330        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    2                         0      2        4        
  SINCE SEP 1      2                         0      2        4        
  SINCE JAN 1     87                        79      8       84        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (290)       
  AVERAGE WIND SPEED     4.6                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           800 AM                                      
 LOWEST     31           200 PM                                      
 AVERAGE    59                                                        

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   66        85      1918                      
 MINIMUM TEMPERATURE (F)   34        21      1995                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 21 2020.....SUNRISE   716 AM MDT   SUNSET   728 PM MDT     
SEPTEMBER 22 2020.....SUNRISE   718 AM MDT   SUNSET   726 PM MDT     


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




$$