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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
139 AM MDT SAT SEP 15 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 14 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         80    401 PM  87    1990  69     11       70
  MINIMUM         30    558 AM  21    1970  36     -6       40
  AVERAGE         55                        53      2       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.08 1966   0.03  -0.03     0.00
  MONTH TO DATE    0.01                      0.51  -0.50      T
  SINCE OCT 1      8.67                     12.28  -3.61    11.97
  SINCE JAN 1      7.41                     10.39  -2.98    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       10                        12     -2       10
  MONTH TO DATE  157                       140     17      109
  SINCE SEP 1    157                       140     17      109
  SINCE JUL 1    249                       368   -119      270

 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    18   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     4.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    58           600 AM
 LOWEST      5           500 PM
 AVERAGE    32

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        93      2000
 MINIMUM TEMPERATURE (F)   36        22      1970


SUNRISE AND SUNSET
SEPTEMBER 15 2012.....SUNRISE   709 AM MDT   SUNSET   740 PM MDT
SEPTEMBER 16 2012.....SUNRISE   710 AM MDT   SUNSET   738 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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