AFOS product CLIBTM
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133 
CDUS45 KMSO 120739
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
139 AM MDT SUN MAY 12 2013


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 11 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         74    148 PM  81    1960  60     14       58       
  MINIMUM         36    600 AM  15    1967  33      3       20       
  AVERAGE         55                        46      9       39      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.60 1925   0.06  -0.05     0.00    
  MONTH TO DATE    0.05                      0.56  -0.51     0.26    
  SINCE OCT 1      2.58                      5.28  -2.70     4.22    
  SINCE JAN 1      0.95                      3.39  -2.44     2.96    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        19     -9       26       
  MONTH TO DATE  194                       224    -30      255       
  SINCE MAR 1   2096                      2046     50     1826       
  SINCE JUL 1   8474                      8615   -141     7966       
                                                                     
 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    29   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     4.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76           400 AM                                     
 LOWEST     19           200 PM                                     
 AVERAGE    48                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        82      2001                    
                                             1960                    
 MINIMUM TEMPERATURE (F)   33        16      1985                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 12 2013...........SUNRISE   601 AM MDT   SUNSET   852 PM MDT   
MAY 13 2013...........SUNRISE   600 AM MDT   SUNSET   853 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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