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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
139 AM MDT THU SEP 13 2012


...................................

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 12 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         63    511 PM  87    1981  70     -7       81
  MINIMUM         24    648 AM  18    1989  37    -13       37
  AVERAGE         44                        53     -9       59

PRECIPITATION (IN)
  YESTERDAY        0.00          0.45 1978   0.03  -0.03     0.00
  MONTH TO DATE    0.01                      0.44  -0.43      T
  SINCE OCT 1      8.67                     12.21  -3.54    11.97
  SINCE JAN 1      7.41                     10.32  -2.91    10.17

SNOWFALL (IN)
  YESTERDAY       MM
  MONTH TO DATE   MM
  SINCE JAN 1     MM
  SINCE JUL 1     MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       21                        12      9        6
  MONTH TO DATE  134                       116     18       92
  SINCE SEP 1    134                       116     18       92
  SINCE JUL 1    226                       344   -118      253

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        2
  SINCE SEP 1      0                         0      0        2
  SINCE JAN 1    121                        79     42       48
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    57           700 AM
 LOWEST     15           300 PM
 AVERAGE    36

..........................................................


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        87      1981
 MINIMUM TEMPERATURE (F)   37        22      1974


SUNRISE AND SUNSET
SEPTEMBER 13 2012.....SUNRISE   706 AM MDT   SUNSET   744 PM MDT
SEPTEMBER 14 2012.....SUNRISE   708 AM MDT   SUNSET   742 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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