547  
CDUS45 KMSO 220738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA, MT  
1237 AM MST WED NOV 22 2017  
 
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR NOVEMBER 21 2017
 
 
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)  
YESTERDAY  
MAXIMUM 48 1130 PM 59 1928 37 11 43  
MINIMUM 19 827 AM -24 1977 13 6 22  
AVERAGE 34 25 9 33  
 
PRECIPITATION (IN)  
YESTERDAY T 0.45 1921 0.02 -0.02 0.00  
MONTH TO DATE 0.65 0.43 0.22 0.34  
SINCE OCT 1 0.82 1.21 -0.39 2.65  
SINCE JAN 1 11.35 12.09 -0.74 10.03  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JAN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 40 -9 32  
MONTH TO DATE 843 733 110 547  
SINCE SEP 1 2051 1876 175 1661  
SINCE JUL 1 2124 2104 20 1959  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 5 2 3 3  
SINCE JAN 1 129 81 48 57    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 700 AM  
LOWEST 65 1000 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 67 1917  
MINIMUM TEMPERATURE (F) 12 -27 1985  
 
 
SUNRISE AND SUNSET  
NOVEMBER 22 2017......SUNRISE 740 AM MST SUNSET 452 PM MST  
NOVEMBER 23 2017......SUNRISE 742 AM MST SUNSET 451 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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