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CDUS45 KMSO 210737
CLIBTM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT THU SEP 21 2023

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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 20 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         62    438 PM  83    1918  67     -5       54       
  MINIMUM         31    610 AM   8    1983  35     -4       41       
  AVERAGE         47                        51     -4       48     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.63 1968   0.04  -0.04     0.00     
  MONTH TO DATE    1.61                      0.75   0.86     0.46     
  SINCE JAN 1     14.78                     10.52   4.26     7.16     

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

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       18                        14      4       17        
  MONTH TO DATE  160                       210    -50      143        
  SINCE SEP 1    160                       210    -50      143        
  SINCE JUL 1    298                       425   -127      204        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    3                         0      3       16        
  SINCE SEP 1      3                         0      3       16        
  SINCE JAN 1     73                        81     -8      177        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (50)        
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NE (40)        
  AVERAGE WIND SPEED     4.2                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.2                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           600 AM                                      
 LOWEST     26           400 PM                                      
 AVERAGE    54                                                        

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   67        85      1918                      
 MINIMUM TEMPERATURE (F)   35        21      1995                      
                                             2021                     


SUNRISE AND SUNSET                                                    
SEPTEMBER 21 2023.....SUNRISE   716 AM MDT   SUNSET   730 PM MDT     
SEPTEMBER 22 2023.....SUNRISE   717 AM MDT   SUNSET   728 PM MDT     


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




$$