864  
CDUS45 KMSO 110738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT SUN APR 11 2021  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR APRIL 10 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 1120 AM 72 1985 50 -1 64  
MINIMUM 22 1115 PM -1 1975 25 -3 27  
AVERAGE 36 38 -2 46  
 
PRECIPITATION (IN)  
YESTERDAY T 0.54 1969 0.04 -0.04 0.00  
MONTH TO DATE 0.12 0.35 -0.23 0.04  
SINCE JAN 1 1.29 2.01 -0.72 1.09  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 27 2 19  
MONTH TO DATE 253 283 -30 288  
SINCE MAR 1 1244 1325 -81 1324  
SINCE JUL 1 7478 7894 -416 7739  
 
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 30 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 1100 PM  
LOWEST 24 1100 AM  
AVERAGE 46  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 72 2012  
MINIMUM TEMPERATURE (F) 26 3 1953  
 
SUNRISE AND SUNSET  
APRIL 11 2021.........SUNRISE 650 AM MDT SUNSET 812 PM MDT  
APRIL 12 2021.........SUNRISE 649 AM MDT SUNSET 814 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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