345  
CDUS45 KMSO 302230  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MDT WED APR 30 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR APRIL 30 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 54 145 PM 79 1926 55 -1 41  
MINIMUM 32 207 AM 9 1950 29 3 25  
AVERAGE 43 42 1 33  
 
PRECIPITATION (IN)  
TODAY T 0.63 1951 0.05 -0.05 T  
MONTH TO DATE 0.64 1.33 -0.69 0.67  
SINCE JAN 1 2.44 2.82 -0.38 2.94  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 22 23 -1 32  
MONTH TO DATE 767 788 -21 715  
SINCE MAR 1 1665 1825 -160 1771  
SINCE JUL 1 7679 8300 -621 7781  
 
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 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 600 AM  
LOWEST 27 100 PM  
AVERAGE 55  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 80 1985  
2000  
MINIMUM TEMPERATURE (F) 29 9 1975  
 
SUNRISE AND SUNSET  
APRIL 30 2025.........SUNRISE 618 AM MDT SUNSET 837 PM MDT  
MAY 1 2025...........SUNRISE 616 AM MDT SUNSET 838 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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