459  
CDUS45 KMSO 180737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT WED OCT 18 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR OCTOBER 17 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 59 241 PM 75 1974 54 5 74  
MINIMUM 32 1152 PM 8 1996 27 5 25  
AVERAGE 46 40 6 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 1945 0.03 -0.03 0.00  
MONTH TO DATE 0.49 0.49 0.00 0.57  
SINCE JAN 1 16.06 11.33 4.73 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 19 25 -6 15  
MONTH TO DATE 292 365 -73 256  
SINCE SEP 1 606 733 -127 499  
SINCE JUL 1 744 948 -204 560  
 
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 29 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.5  
 
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 76 1200 AM  
LOWEST 23 400 PM  
AVERAGE 50  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 76 2003  
MINIMUM TEMPERATURE (F) 26 5 1938  
 
SUNRISE AND SUNSET  
OCTOBER 18 2023.......SUNRISE 751 AM MDT SUNSET 639 PM MDT  
OCTOBER 19 2023.......SUNRISE 752 AM MDT SUNSET 637 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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