Climatological Report (Daily)
Issued by NWS Missoula, MT

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CDUS45 KMSO 210758
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
1257 AM MST WED FEB 21 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR FEBRUARY 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM          6    529 PM  58    1977  36    -30       43
  MINIMUM        -30R   817 AM -21    1952  10    -40       24
  AVERAGE        -12                        23    -35       34

PRECIPITATION (IN)
  YESTERDAY        T             0.56 1929   0.02  -0.02      T
  MONTH TO DATE    0.67                      0.29   0.38     0.38
  SINCE OCT 1      2.75                      2.65   0.10     3.91
  SINCE JAN 1      1.31                      0.76   0.55     0.69

SNOWFALL (IN)
  YESTERDAY       MM
  MONTH TO DATE   MM
  SINCE JAN 1     MM
  SINCE JUL 1     MM
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       77                        42     35       31
  MONTH TO DATE  924                       875     49      798
  SINCE DEC 1   3660                      3756    -96     4156
  SINCE JUL 1   6055                      6246   -191     6450

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


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     2.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           900 AM
 LOWEST     62           400 PM
 AVERAGE    76

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        58      1907
 MINIMUM TEMPERATURE (F)   10       -18      1993


SUNRISE AND SUNSET
FEBRUARY 21 2018......SUNRISE   723 AM MST   SUNSET   605 PM MST
FEBRUARY 22 2018......SUNRISE   721 AM MST   SUNSET   607 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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