092  
CDUS45 KMSO 200737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT TUE MAY 20 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 19 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 351 PM 85 1954 62 -8 MM  
MINIMUM 29 529 AM 22 2003 36 -7 MM  
AVERAGE 42 49 -7 MM  
 
PRECIPITATION (IN)  
YESTERDAY T 1.22 1938 0.07 -0.07 0.00  
MONTH TO DATE 2.36 1.03 1.33 0.06  
SINCE JAN 1 4.80 3.85 0.95 3.00  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 16 7 MM  
MONTH TO DATE 333 365 -32 324  
SINCE MAR 1 1998 2189 -191 2095  
SINCE JUL 1 8012 8664 -652 8105  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 500 AM  
LOWEST 24 400 PM  
AVERAGE 51  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 83 1919  
MINIMUM TEMPERATURE (F) 36 23 2003  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 552 AM MDT SUNSET 902 PM MDT  
MAY 21 2025...........SUNRISE 551 AM MDT SUNSET 903 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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