615  
CDUS45 KMSO 100738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT WED MAY 10 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 9 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 50 621 PM 79 1994 59 -9 43  
MINIMUM 34 555 AM 16 1916 32 2 22  
AVERAGE 42 45 -3 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.70 1914 0.05 0.08 0.00  
MONTH TO DATE 1.03 0.42 0.61 0.21  
SINCE JAN 1 3.74 3.24 0.50 1.37  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 20 3 32  
MONTH TO DATE 132 189 -57 197  
SINCE MAR 1 2339 2013 326 2090  
SINCE JUL 1 9056 8488 568 7968  
 
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 24 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 PM  
LOWEST 56 1000 AM  
AVERAGE 74  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 81 1940  
MINIMUM TEMPERATURE (F) 32 18 1946  
 
SUNRISE AND SUNSET  
MAY 10 2023...........SUNRISE 604 AM MDT SUNSET 849 PM MDT  
MAY 11 2023...........SUNRISE 603 AM MDT SUNSET 850 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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