Climatological Report (Daily)
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CDUS45 KTFX 132330
CLILWT


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
430 PM MST WED DEC 13 2017


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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 13 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         37    258 PM  65    1960  34      3       11
  MINIMUM         27    818 AM -22    1963  12     15       -8
  AVERAGE         32                        23      9        2

PRECIPITATION (IN)
  TODAY            0.00          0.52 1989   0.02  -0.02     0.00
  MONTH TO DATE    0.42                      0.27   0.15     0.17
  SINCE OCT 1      1.80                      2.11  -0.31     4.24
  SINCE JAN 1     12.41                     16.46  -4.05    20.27

DEGREE DAYS
 HEATING
  TODAY           33                        42     -9       63
  MONTH TO DATE  421                       529   -108      704
  SINCE DEC 1    421                       529   -108      704
  SINCE JUL 1   2395                      2657   -262     2430

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    375                       210    165      259
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     7.9


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70
 LOWEST     44
 AVERAGE    57

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        60      1924
 MINIMUM TEMPERATURE (F)   12       -29      2008


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   756 AM MST   SUNSET   429 PM MST
DECEMBER 14 2017......SUNRISE   757 AM MST   SUNSET   429 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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