513  
CDUS45 KMSO 160740  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT FRI MAY 16 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 15 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 53 319 PM 83 2012 61 -8 66  
MINIMUM 38 725 AM 21 2004 34 4 33  
AVERAGE 46 48 -2 50  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 18 1 15  
MONTH TO DATE 247 299 -52 300  
SINCE MAR 1 1912 2123 -211 2071  
SINCE JUL 1 7926 8598 -672 8081  
 
COOLING  
YESTERDAY 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 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 48 500 PM  
AVERAGE 69  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1988  
MINIMUM TEMPERATURE (F) 35 21 1986  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 556 AM MDT SUNSET 857 PM MDT  
MAY 17 2025...........SUNRISE 555 AM MDT SUNSET 858 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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