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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
1238 AM MST WED DEC 12 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 11 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         37    530 PM  51    2004  29      8       27
  MINIMUM         23    435 AM -36    1932   5     18        3
  AVERAGE         30                        17     13       15

PRECIPITATION (IN)
  YESTERDAY        0.00          1.28 1919   0.02  -0.02     0.00
  MONTH TO DATE    0.19                      0.19   0.00     0.05
  SINCE OCT 1      1.52                      1.57  -0.05     1.02
  SINCE JAN 1      8.95                     12.45  -3.50    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       35                        48    -13       50
  MONTH TO DATE  414                       513    -99      562
  SINCE DEC 1    414                       513    -99      562
  SINCE JUL 1   2676                      3003   -327     2864

 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    16   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81          1200 AM
 LOWEST     48           300 PM
 AVERAGE    65

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        60      1924
 MINIMUM TEMPERATURE (F)    5       -28      1919


SUNRISE AND SUNSET
DECEMBER 12 2012......SUNRISE   803 AM MST   SUNSET   445 PM MST
DECEMBER 13 2012......SUNRISE   804 AM MST   SUNSET   445 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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