136  
CDUS45 KMSO 180738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT SAT MAY 18 2024  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 17 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 57 1200 AM 82 1976 62 -5 67  
2006  
MINIMUM 41 400 AM 16 1896 35 6 43  
AVERAGE 49 48 1 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 2019 0.07 -0.07 0.01  
MONTH TO DATE 0.06 0.90 -0.84 1.26  
SINCE JAN 1 3.00 3.72 -0.72 3.97  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 17 -1 10  
MONTH TO DATE 324 333 -9 242  
SINCE MAR 1 2095 2157 -62 2449  
SINCE JUL 1 8105 8632 -527 9166  
 
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 W (250)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 400 AM  
LOWEST 28 1200 AM  
AVERAGE 44  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 84 2009  
MINIMUM TEMPERATURE (F) 35 21 1960  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 554 AM MDT SUNSET 900 PM MDT  
MAY 19 2024...........SUNRISE 553 AM MDT SUNSET 901 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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