322  
CDUS45 KMSO 210738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA, MT  
137 AM MDT SUN JUL 21 2019  
 
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR JULY 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 423 PM 96 1960 82 -6 88  
MINIMUM 36 538 AM 35 1987 46 -10 45  
AVERAGE 56 64 -8 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.70 1914 0.04 -0.04 0.00  
MONTH TO DATE 1.34 0.90 0.44 0.14  
SINCE OCT 1 10.01 9.96 0.05 11.38  
SINCE JAN 1 8.39 8.07 0.32 9.94  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JAN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 3 6 0  
MONTH TO DATE 67 77 -10 39  
SINCE JUN 1 330 364 -34 308  
SINCE JUL 1 67 77 -10 39  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 19 27 -8 47  
SINCE JUN 1 19 34 -15 48  
SINCE JAN 1 19 34 -15 48    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 300 AM  
LOWEST 19 300 PM  
AVERAGE 45  
   
......................................................
 
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1936  
MINIMUM TEMPERATURE (F) 46 31 1949  
 
 
SUNRISE AND SUNSET  
JULY 21 2019..........SUNRISE 600 AM MDT SUNSET 912 PM MDT  
JULY 22 2019..........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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