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CDUS45 KMSO 160738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
1237 AM MST SUN DEC 16 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 15 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         23    235 PM  53    1980  29     -6       32
  MINIMUM          6   1115 PM -27    1967   5      1        7
  AVERAGE         15                        17     -2       20

PRECIPITATION (IN)
  YESTERDAY        0.00          0.30 1947   0.02  -0.02     0.00
  MONTH TO DATE    0.24                      0.25  -0.01     0.05
  SINCE OCT 1      1.57                      1.63  -0.06     1.02
  SINCE JAN 1      9.00                     12.51  -3.51    11.59

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

DEGREE DAYS
 HEATING
  YESTERDAY       50                        48      2       45
  MONTH TO DATE  608                       705    -97      755
  SINCE DEC 1    608                       705    -97      755
  SINCE JUL 1   2870                      3195   -325     3057

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    121                        81     40       48
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     1.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           200 AM
 LOWEST     84          1200 AM
 AVERAGE    88

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        58      1980
 MINIMUM TEMPERATURE (F)    5       -36      1964


SUNRISE AND SUNSET
DECEMBER 16 2012......SUNRISE   806 AM MST   SUNSET   446 PM MST
DECEMBER 17 2012......SUNRISE   807 AM MST   SUNSET   446 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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