540  
CDUS45 KMSO 230739  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA, MT  
138 AM MDT WED JUL 23 2008  
 
...................................  
   
..THE BUTTE CLIMATE SUMMARY FOR JULY 22 2008  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1895 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 238 PM 100 1931 81 -6 92  
MINIMUM 51 1050 PM 34 1916 46 5 51  
AVERAGE 63 64 -1 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.39 0.67 1913 0.04 0.35 0.00  
MONTH TO DATE 1.09 1.09 0.00 0.49  
SINCE OCT 1 8.48 9.95 -1.47 10.53  
SINCE JAN 1 6.85 8.03 -1.18 7.72  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JAN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 69 98 -29 1  
SINCE JUN 1 424 376 48 224  
SINCE JUL 1 69 98 -29 1  
 
COOLING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 12 38 -26 111  
SINCE JUN 1 25 47 -22 127  
SINCE JAN 1 25 47 -22 127    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 PM  
LOWEST 41 300 PM  
AVERAGE 71  
 
..........................................................  
 
 
THE BUTTE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2007  
1931  
MINIMUM TEMPERATURE (F) 46 35 1954  
 
 
SUNRISE AND SUNSET  
JULY 23 2008..........SUNRISE 603 AM MDT SUNSET 909 PM MDT  
JULY 24 2008..........SUNRISE 604 AM MDT SUNSET 908 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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