901  
CDUS45 KMSO 202240  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
440 PM MDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 60 259 PM 91 1973 79 -19 87  
MINIMUM 57 656 AM 31 1938 43 14 51  
AVERAGE 59 61 -2 69  
 
PRECIPITATION (IN)  
TODAY 0.31 0.69 1923 0.04 0.27 T  
MONTH TO DATE 1.29 0.84 0.45 0.85  
SINCE JAN 1 12.24 9.33 2.91 6.47  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 6 5 1 0  
MONTH TO DATE 51 58 -7 12  
SINCE JUN 1 399 439 -40 324  
SINCE JUL 1 112 149 -37 45  
 
COOLING  
TODAY 0 0 0 4  
MONTH TO DATE 25 25 0 74  
SINCE JUN 1 62 79 -17 152  
SINCE JAN 1 62 79 -17 152    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1000 AM  
LOWEST 75 300 PM  
AVERAGE 83  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 2009  
MINIMUM TEMPERATURE (F) 43 29 1966  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 636 AM MDT SUNSET 830 PM MDT  
AUGUST 21 2023........SUNRISE 637 AM MDT SUNSET 828 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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