999  
CDUS45 KMSO 210737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR OCTOBER 20 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 73 332 PM 77 1927 52 21 70  
MINIMUM 33 743 AM 10 1943 25 8 22  
AVERAGE 53 39 14 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40 1899 0.03 -0.03 0.00  
MONTH TO DATE 0.49 0.57 -0.08 0.57  
SINCE JAN 1 16.06 11.41 4.65 8.73  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 26 -14 19  
MONTH TO DATE 333 442 -109 308  
SINCE SEP 1 647 810 -163 551  
SINCE JUL 1 785 1025 -240 612  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 3 2 1 16  
SINCE JAN 1 73 83 -10 177    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 21 400 PM  
AVERAGE 57  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 75 2003  
MINIMUM TEMPERATURE (F) 25 9 1996  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 755 AM MDT SUNSET 634 PM MDT  
OCTOBER 22 2023.......SUNRISE 756 AM MDT SUNSET 632 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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