033  
CDUS45 KMSO 152230  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MDT THU MAY 15 2025  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 15 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 52 259 PM 83 2012 61 -9 66  
MINIMUM 38 725 AM 21 2004 34 4 33  
AVERAGE 45 48 -3 50  
 
PRECIPITATION (IN)  
TODAY 0.01 1.02 1952 0.06 -0.05 0.00  
MONTH TO DATE 1.93 0.77 1.16 0.06  
SINCE JAN 1 4.37 3.59 0.78 3.00  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 20 18 2 15  
MONTH TO DATE 248 299 -51 300  
SINCE MAR 1 1913 2123 -210 2071  
SINCE JUL 1 7927 8598 -671 8081  
 
COOLING  
TODAY 0 0 0 0  
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 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 54 300 PM  
AVERAGE 72  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1988  
MINIMUM TEMPERATURE (F) 35 21 1986  
 
SUNRISE AND SUNSET  
MAY 15 2025...........SUNRISE 558 AM MDT SUNSET 856 PM MDT  
MAY 16 2025...........SUNRISE 556 AM MDT SUNSET 857 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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