Climatological Report (Daily)
Issued by NWS Missoula, MT

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CDUS45 KMSO 132333
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
432 PM MST WED DEC 13 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 13 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         31    204 PM  60    1924  29      2       26
  MINIMUM         25    651 AM -25    1919   5     20        6
  AVERAGE         28                        17     11       16

PRECIPITATION (IN)
  TODAY            0.07          0.30 1901   0.02   0.05      T
  MONTH TO DATE    0.10                      0.22  -0.12     0.03
  SINCE OCT 1      1.01                      1.60  -0.59     2.81
  SINCE JAN 1     11.54                     12.48  -0.94    10.19

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

DEGREE DAYS
 HEATING
  TODAY           37                        48    -11       49
  MONTH TO DATE  551                       609    -58      643
  SINCE DEC 1    551                       609    -58      643
  SINCE JUL 1   2946                      3099   -153     2937

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    129                        81     48       57
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 PM
 LOWEST     68           200 AM
 AVERAGE    77

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


THE BUTTE MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        55      1924
 MINIMUM TEMPERATURE (F)    5       -26      1967


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   804 AM MST   SUNSET   445 PM MST
DECEMBER 14 2017......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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