814  
CDUS45 KMSO 210747  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
147 AM MDT FRI APR 21 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR APRIL 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 42 352 PM 77 1989 52 -10 50  
MINIMUM 21 600 AM 1 2008 27 -6 24  
AVERAGE 32 39 -7 37  
 
PRECIPITATION (IN)  
YESTERDAY T 0.51 2001 0.04 -0.04 T  
MONTH TO DATE 0.44 0.86 -0.42 0.06  
SINCE JAN 1 1.86 2.35 -0.49 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 33 26 7 28  
MONTH TO DATE 673 548 125 718  
SINCE MAR 1 1984 1585 399 1642  
SINCE JUL 1 8701 8060 641 7520  
 
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 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 400 AM  
LOWEST 30 500 PM  
AVERAGE 56  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 76 1906  
MINIMUM TEMPERATURE (F) 27 3 2008  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 634 AM MDT SUNSET 825 PM MDT  
APRIL 22 2023.........SUNRISE 632 AM MDT SUNSET 826 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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