258  
CDUS45 KMSO 270738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA, MT  
137 AM MDT SAT MAY 27 2017  
 
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 26 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 432 PM 83 1936 64 -3 62  
MINIMUM 30 538 AM 22 1975 37 -7 36  
AVERAGE 46 50 -4 49  
 
PRECIPITATION (IN)  
YESTERDAY T 1.00 1906 0.08 -0.08 T  
MONTH TO DATE 1.54 1.63 -0.09 1.12  
SINCE OCT 1 8.50 6.35 2.15 5.94  
SINCE JAN 1 5.28 4.46 0.82 3.20  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JAN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 15 4 16  
MONTH TO DATE 460 472 -12 471  
SINCE MAR 1 2058 2294 -236 2089  
SINCE JUL 1 8842 8863 -21 8486  
 
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 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 5.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 500 AM  
LOWEST 24 100 PM  
AVERAGE 55  
   
......................................................
 
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 87 1986  
MINIMUM TEMPERATURE (F) 37 25 1973  
 
 
SUNRISE AND SUNSET  
MAY 27 2017...........SUNRISE 546 AM MDT SUNSET 909 PM MDT  
MAY 28 2017...........SUNRISE 545 AM MDT SUNSET 910 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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