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CDUS45 KMSO 160738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
137 AM MDT SUN SEP 16 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 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         77    250 PM  93    2000  69      8       74
  MINIMUM         34    553 AM  22    1970  36     -2       35
  AVERAGE         56                        52      4       55

PRECIPITATION (IN)
  YESTERDAY        0.00          0.48 1977   0.03  -0.03     0.04
  MONTH TO DATE    0.01                      0.54  -0.53     0.04
  SINCE OCT 1      8.67                     12.31  -3.64    12.01
  SINCE JAN 1      7.41                     10.42  -3.01    10.21

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

DEGREE DAYS
 HEATING
  YESTERDAY        9                        13     -4       10
  MONTH TO DATE  166                       153     13      119
  SINCE SEP 1    166                       153     13      119
  SINCE JUL 1    258                       381   -123      280

 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    13   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     4.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    51           600 AM
 LOWEST     11           100 PM
 AVERAGE    31

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        86      1998
 MINIMUM TEMPERATURE (F)   36        18      1965


SUNRISE AND SUNSET
SEPTEMBER 16 2012.....SUNRISE   710 AM MDT   SUNSET   738 PM MDT
SEPTEMBER 17 2012.....SUNRISE   711 AM MDT   SUNSET   736 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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