235  
CDUS45 KMSO 212231  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
431 PM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 80 123 PM 84 1919 63 17 50  
MINIMUM 43 540 AM 12 1938 36 7 28  
AVERAGE 62 49 13 39  
 
PRECIPITATION (IN)  
TODAY 0.09 1.03 1981 0.07 0.02 0.00  
MONTH TO DATE 1.35 1.17 0.18 0.24  
SINCE JAN 1 4.06 3.99 0.07 1.40  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 16 -13 26  
MONTH TO DATE 270 397 -127 463  
SINCE MAR 1 2477 2221 256 2356  
SINCE JUL 1 9194 8696 498 8234  
 
COOLING  
TODAY 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 29 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 19 100 PM  
AVERAGE 53  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 83 1919  
MINIMUM TEMPERATURE (F) 36 19 1916  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 552 AM MDT SUNSET 902 PM MDT  
MAY 22 2023...........SUNRISE 551 AM MDT SUNSET 903 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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