225  
CDUS45 KMSO 180737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT THU JUN 18 2026  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR JUNE 17 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 240 PM 91 1974 70 0 75  
MINIMUM 46 1159 PM 28 1954 41 5 38  
AVERAGE 58 56 2 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 2020 0.09 -0.09 0.00  
MONTH TO DATE 0.16 1.61 -1.45 0.32  
SINCE JAN 1 4.88 6.45 -1.57 5.60  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 9 -2 8  
MONTH TO DATE 202 191 11 146  
SINCE JUN 1 202 191 11 146  
SINCE JUL 1 7236 9028 -1792 8290  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47 1100 PM  
LOWEST 18 200 PM  
AVERAGE 33  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1974  
MINIMUM TEMPERATURE (F) 41 27 1954  
 
SUNRISE AND SUNSET  
JUNE 18 2026..........SUNRISE 539 AM MDT SUNSET 924 PM MDT  
JUNE 19 2026..........SUNRISE 539 AM MDT SUNSET 924 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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