AFOS product CLIBTM
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CDUS45 KMSO 130737
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT SUN MAY 13 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 12 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         51    448 PM  82    2001  60     -9       78       
                                      1960                          
  MINIMUM         38    201 AM  16    1985  33      5       33       
  AVERAGE         45                        46     -1       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.50 1900   0.06  -0.06     0.01    
  MONTH TO DATE    0.70                      0.62   0.08     0.27    
  SINCE OCT 1      5.66                      5.34   0.32     7.23    
  SINCE JAN 1      4.22                      3.45   0.77     4.01    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                        19      1        9       
  MONTH TO DATE  176                       243    -67      168       
  SINCE MAR 1   2026                      2065    -39     1766       
  SINCE JUL 1   8514                      8634   -120     8550       
                                                                     
 COOLING                                                             
  YESTERDAY        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    16   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     6.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           900 PM                                     
 LOWEST     54           300 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        84      1993                    
 MINIMUM TEMPERATURE (F)   33        18      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 13 2018...........SUNRISE   600 AM MDT   SUNSET   853 PM MDT   
MAY 14 2018...........SUNRISE   559 AM MDT   SUNSET   854 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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