650  
CDUS45 KMSO 210737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT FRI JUL 21 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR JULY 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 88 330 PM 96 1960 83 5 87  
MINIMUM 50 528 AM 35 1987 47 3 42  
AVERAGE 69 65 4 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.70 1914 0.04 -0.03 0.00  
MONTH TO DATE 0.64 0.79 -0.15 1.00  
SINCE JAN 1 10.93 8.08 2.85 5.62  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 57 72 -15 27  
SINCE JUN 1 344 362 -18 306  
SINCE JUL 1 57 72 -15 27  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 11 28 -17 34  
SINCE JUN 1 11 34 -23 45  
SINCE JAN 1 11 34 -23 45    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 1100 PM  
LOWEST 12 300 PM  
AVERAGE 43  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 97 1936  
MINIMUM TEMPERATURE (F) 47 31 1949  
 
SUNRISE AND SUNSET  
JULY 21 2023..........SUNRISE 600 AM MDT SUNSET 912 PM MDT  
JULY 22 2023..........SUNRISE 601 AM MDT SUNSET 911 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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