234  
CDUS45 KMSO 200740  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT THU APR 20 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR APRIL 19 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 37 534 PM 78 1962 52 -15 45  
MINIMUM 25 533 AM -3 1941 27 -2 27  
AVERAGE 31 39 -8 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.45 1929 0.05 -0.05 T  
MONTH TO DATE 0.44 0.82 -0.38 0.06  
SINCE JAN 1 1.86 2.31 -0.45 0.87  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 26 8 29  
MONTH TO DATE 640 522 118 690  
SINCE MAR 1 1951 1559 392 1614  
SINCE JUL 1 8668 8034 634 7492  
 
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 NW (310)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 13.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1200 AM  
LOWEST 35 500 PM  
AVERAGE 60  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 77 1989  
MINIMUM TEMPERATURE (F) 27 1 2008  
 
SUNRISE AND SUNSET  
APRIL 20 2023.........SUNRISE 635 AM MDT SUNSET 823 PM MDT  
APRIL 21 2023.........SUNRISE 634 AM MDT SUNSET 825 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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