Climatological Report (Daily)
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CDUS45 KTFX 160927
CLILWT


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
223 AM MST SAT DEC 16 2017


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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 15 2017...

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)
 YESTERDAY
  MAXIMUM         51    343 PM  62    1980  34     17       16
  MINIMUM         26    353 AM -29    1964  12     14        0
  AVERAGE         39                        23     16        8

PRECIPITATION (IN)
  YESTERDAY        0.00          0.80 1901   0.02  -0.02      T
  MONTH TO DATE    0.42                      0.31   0.11     0.17
  SINCE OCT 1      1.80                      2.15  -0.35     4.24
  SINCE JAN 1     12.41                     16.50  -4.09    20.27

SNOWFALL (IN)
  YESTERDAY       MM
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        42    -16       57
  MONTH TO DATE  479                       613   -134      823
  SINCE DEC 1    479                       613   -134      823
  SINCE JUL 1   2453                      2741   -288     2549

 COOLING
  YESTERDAY        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    31   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    11.3


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1100 PM
 LOWEST     34           400 PM
 AVERAGE    63

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        61      1980
 MINIMUM TEMPERATURE (F)   12       -31      1964


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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