Climatological Report (Daily)
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CDUS45 KTFX 162330
CLILWT


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
430 PM MST SAT DEC 16 2017


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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 16 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         32    207 PM  61    1980  34     -2        0
  MINIMUM         28    817 AM -31    1964  12     16      -25
  AVERAGE         30                        23      7      -12

PRECIPITATION (IN)
  TODAY            T             0.42 1929   0.02  -0.02      T
  MONTH TO DATE    0.42                      0.33   0.09     0.17
  SINCE OCT 1      1.80                      2.17  -0.37     4.24
  SINCE JAN 1     12.41                     16.52  -4.11    20.27

DEGREE DAYS
 HEATING
  TODAY           35                        42     -7       77
  MONTH TO DATE  514                       655   -141      900
  SINCE DEC 1    514                       655   -141      900
  SINCE JUL 1   2488                      2783   -295     2626

 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     9   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     4.1


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     72
 AVERAGE    86

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        65      1925
 MINIMUM TEMPERATURE (F)   12       -30      1924


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   758 AM MST   SUNSET   429 PM MST
DECEMBER 17 2017......SUNRISE   759 AM MST   SUNSET   430 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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