Climatological Report (Daily)
Issued by NWS Missoula, MT

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CDUS45 KMSO 212231
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
430 PM MDT THU SEP 21 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 21 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         44    259 PM  85    1918  66    -22       57
  MINIMUM         31    452 AM  21    1995  34     -3       41
  AVERAGE         38                        50    -12       49

PRECIPITATION (IN)
  TODAY            0.00          0.70 1937   0.03  -0.03     0.02
  MONTH TO DATE    1.37                      0.73   0.64     0.89
  SINCE OCT 1     13.36                     12.50   0.86     9.69
  SINCE JAN 1     10.14                     10.61  -0.47     6.95

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

DEGREE DAYS
 HEATING
  TODAY           27                        15     12       16
  MONTH TO DATE  213                       238    -25      299
  SINCE SEP 1    213                       238    -25      299
  SINCE JUL 1    286                       466   -180      597

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    5                         0      5        3
  SINCE SEP 1      5                         0      5        3
  SINCE JAN 1    129                        79     50       57
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     1.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     53           100 PM
 AVERAGE    77

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


THE BUTTE MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        86      1987
 MINIMUM TEMPERATURE (F)   33        19      1993


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   716 AM MDT   SUNSET   729 PM MDT
SEPTEMBER 22 2017.....SUNRISE   717 AM MDT   SUNSET   727 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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