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CDUS45 KMSO 170738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
137 AM MDT THU MAY 17 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 16 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         79    236 PM  84    1988  61     18       53
  MINIMUM         39    505 AM  21    1986  34      5       39
  AVERAGE         59                        48     11       46

PRECIPITATION (IN)
  YESTERDAY        0.00          1.05 1996   0.07  -0.07     0.00
  MONTH TO DATE    0.26                      0.87  -0.61     0.67
  SINCE OCT 1      4.22                      5.59  -1.37     4.67
  SINCE JAN 1      2.96                      3.70  -0.74     2.87

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

DEGREE DAYS
 HEATING
  YESTERDAY        6                        17    -11       19
  MONTH TO DATE  306                       314     -8      335
  SINCE MAR 1   1877                      2136   -259     2295
  SINCE JUL 1   8017                      8705   -688     8967

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           500 AM
 LOWEST     15           700 PM
 AVERAGE    46

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        82      2006
                                             1976
 MINIMUM TEMPERATURE (F)   34        16      1896


SUNRISE AND SUNSET
MAY 17 2012...........SUNRISE   555 AM MDT   SUNSET   858 PM MDT
MAY 18 2012...........SUNRISE   554 AM MDT   SUNSET   900 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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