431  
CDUS45 KMSO 300737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT SUN APR 30 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR APRIL 29 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 73 356 PM 81 1926 55 18 47  
MINIMUM 30 619 AM 12 2005 29 1 31  
AVERAGE 52 42 10 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.69 1942 0.04 -0.04 0.05  
MONTH TO DATE 1.29 1.28 0.01 0.35  
SINCE JAN 1 2.71 2.77 -0.06 1.16  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 23 -10 26  
MONTH TO DATE 883 765 118 942  
SINCE MAR 1 2194 1802 392 1866  
SINCE JUL 1 8911 8277 634 7744  
 
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 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.2  
 
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 88 300 AM  
LOWEST 13 300 PM  
AVERAGE 51  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 79 1926  
MINIMUM TEMPERATURE (F) 29 9 1950  
 
SUNRISE AND SUNSET  
APRIL 30 2023.........SUNRISE 619 AM MDT SUNSET 837 PM MDT  
MAY 1 2023...........SUNRISE 617 AM MDT SUNSET 838 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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