529  
CDUS45 KMSO 200738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 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 79 244 PM 93 1942 79 0 86  
MINIMUM 49 632 AM 30 1995 43 6 50  
AVERAGE 64 61 3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 0.73 1979 0.05 0.07 0.00  
MONTH TO DATE 0.98 0.80 0.18 0.85  
SINCE JAN 1 11.93 9.29 2.64 6.47  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 45 53 -8 12  
SINCE JUN 1 393 434 -41 324  
SINCE JUL 1 106 144 -38 45  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 25 25 0 70  
SINCE JUN 1 62 79 -17 148  
SINCE JAN 1 62 79 -17 148    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 800 PM  
LOWEST 35 300 PM  
AVERAGE 63  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 91 1973  
MINIMUM TEMPERATURE (F) 43 31 1938  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 636 AM MDT SUNSET 830 PM MDT  
AUGUST 21 2023........SUNRISE 637 AM MDT SUNSET 828 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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