Climatological Report (Daily)
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CDUS45 KTFX 172330
CLIDLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
430 PM MST SUN DEC 17 2017


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

...THE DILLON AIRPORT MT CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1929 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         29    324 PM  57    1980  30     -1        4
  MINIMUM         10    629 AM -27    1964  10      0      -25
  AVERAGE         20                        20      0      -10

PRECIPITATION (IN)
  TODAY            0.00          0.18 2002   0.01  -0.01     0.00
  MONTH TO DATE    0.29                      0.18   0.11     0.04
  SINCE OCT 1      0.97                      1.31  -0.34     2.53
  SINCE JAN 1      9.63                     10.48  -0.85     9.54

DEGREE DAYS
 HEATING
  TODAY           45                        45      0       75
  MONTH TO DATE  692                       748    -56      850
  SINCE DEC 1    692                       748    -56      850
  SINCE JUL 1   2735                      2899   -164     2633

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    290                       156    134      168
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    12.0


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76
 LOWEST     55
 AVERAGE    66

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


THE DILLON AIRPORT MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        58      1979
 MINIMUM TEMPERATURE (F)   10       -16      1983


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   804 AM MST   SUNSET   449 PM MST
DECEMBER 18 2017......SUNRISE   805 AM MST   SUNSET   449 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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