729  
CDUS45 KMSO 202230  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA, MT  
430 PM MDT THU JUL 20 2017  
 
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR JULY 20 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 238 PM 96 1960 82 7 84  
MINIMUM 46 502 AM 35 1987 46 0 49  
AVERAGE 68 64 4 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.70 1914 0.04 -0.04 0.00  
MONTH TO DATE 0.50 0.90 -0.40 0.92  
SINCE OCT 1 11.83 9.96 1.87 8.12  
SINCE JAN 1 8.61 8.07 0.54 5.38  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE JAN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 4 77 -73 123  
SINCE JUN 1 239 364 -125 312  
SINCE JUL 1 4 77 -73 123  
 
COOLING  
TODAY 3 2 1 2  
MONTH TO DATE 65 27 38 10  
SINCE JUN 1 77 34 43 33  
SINCE JAN 1 77 34 43 33    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 500 AM  
LOWEST 8 100 PM  
AVERAGE 40  
   
......................................................
 
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1936  
MINIMUM TEMPERATURE (F) 46 31 1949  
 
 
SUNRISE AND SUNSET  
JULY 20 2017..........SUNRISE 559 AM MDT SUNSET 913 PM MDT  
JULY 21 2017..........SUNRISE 601 AM MDT SUNSET 912 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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