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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
138 AM MDT WED MAY 23 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 22 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         54    444 PM  83    1919  63     -9       65
  MINIMUM         39   1153 PM  19    1916  36      3       32
  AVERAGE         47                        49     -2       49

PRECIPITATION (IN)
  YESTERDAY        0.11          0.64 1981   0.08   0.03     0.27
  MONTH TO DATE    0.48                      1.31  -0.83     1.06
  SINCE OCT 1      4.44                      6.03  -1.59     5.06
  SINCE JAN 1      3.18                      4.14  -0.96     3.26

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

DEGREE DAYS
 HEATING
  YESTERDAY       18                        16      2       16
  MONTH TO DATE  400                       412    -12      453
  SINCE MAR 1   1971                      2234   -263     2413
  SINCE JUL 1   8111                      8803   -692     9085

 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    28   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     8.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM
 LOWEST     32           500 PM
 AVERAGE    59

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        84      1929
 MINIMUM TEMPERATURE (F)   36        19      1986


SUNRISE AND SUNSET
MAY 23 2012...........SUNRISE   549 AM MDT   SUNSET   905 PM MDT
MAY 24 2012...........SUNRISE   548 AM MDT   SUNSET   906 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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