259  
CDUS45 KMSO 210737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT MON APR 21 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR APRIL 20 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 53 301 PM 77 1989 52 1 51  
MINIMUM 28 654 AM 1 2008 27 1 15  
AVERAGE 41 39 2 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.51 2001 0.04 0.06 0.00  
MONTH TO DATE 0.49 0.86 -0.37 0.48  
SINCE JAN 1 2.29 2.35 -0.06 2.75  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 26 -2 32  
MONTH TO DATE 542 548 -6 483  
SINCE MAR 1 1440 1585 -145 1539  
SINCE JUL 1 7454 8060 -606 7549  
 
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 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 PM  
LOWEST 25 300 PM  
AVERAGE 61  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 76 1906  
MINIMUM TEMPERATURE (F) 27 3 2008  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 633 AM MDT SUNSET 825 PM MDT  
APRIL 22 2025.........SUNRISE 631 AM MDT SUNSET 827 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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