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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
137 AM MDT FRI APR 20 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR APRIL 19 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         53    447 PM  78    1962  53      0       33
  MINIMUM         28   1250 AM  -3    1941  27      1       12
  AVERAGE         41                        40      1       23

PRECIPITATION (IN)
  YESTERDAY        0.01          0.45 1929   0.04  -0.03     0.01
  MONTH TO DATE    0.79                      0.70   0.09     0.79
  SINCE OCT 1      3.52                      4.25  -0.73     3.90
  SINCE JAN 1      2.26                      2.36  -0.10     2.10

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

DEGREE DAYS
 HEATING
  YESTERDAY       24                        25     -1       42
  MONTH TO DATE  510                       520    -10      576
  SINCE MAR 1   1399                      1562   -163     1615
  SINCE JUL 1   7539                      8131   -592     8287

 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    17   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     21           400 PM
 AVERAGE    57

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   53        77      1989
 MINIMUM TEMPERATURE (F)   27         1      2008


SUNRISE AND SUNSET
APRIL 20 2012.........SUNRISE   634 AM MDT   SUNSET   824 PM MDT
APRIL 21 2012.........SUNRISE   632 AM MDT   SUNSET   826 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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