666  
CDUS45 KMSO 222331  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA, MT  
431 PM MST THU FEB 22 2018  
 
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR FEBRUARY 22 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 21 336 PM 56 1958 37 -16 33  
MINIMUM -8 241 AM -24 1910 11 -19 21  
AVERAGE 7 24 -17 27  
 
PRECIPITATION (IN)  
TODAY 0.00 0.40 1917 0.02 -0.02 0.02  
MONTH TO DATE 0.67 0.33 0.34 0.45  
SINCE OCT 1 2.75 2.69 0.06 3.98  
SINCE JAN 1 1.31 0.80 0.51 0.76  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE JAN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 58 41 17 38  
MONTH TO DATE 1044 958 86 862  
SINCE DEC 1 3780 3839 -59 4220  
SINCE JUL 1 6175 6329 -154 6514  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 1.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 200 AM  
LOWEST 56 200 PM  
AVERAGE 70  
   
......................................................
 
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 57 1995  
MINIMUM TEMPERATURE (F) 11 -32 1942  
 
 
SUNRISE AND SUNSET  
FEBRUARY 22 2018......SUNRISE 721 AM MST SUNSET 607 PM MST  
FEBRUARY 23 2018......SUNRISE 719 AM MST SUNSET 608 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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