Climatological Report (Daily)
Issued by NWS Billings, MT

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000
CDUS45 KBYZ 151230
CLIBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
530 AM MST FRI DEC 15 2017


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

...THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 14 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47    303 PM  56    1962  35     12       11
  MINIMUM         26    505 AM -18    2008  18      8       -1
  AVERAGE         37                        26     11        5

PRECIPITATION (IN)
  YESTERDAY        0.00          0.27 2014   0.02  -0.02      T
  MONTH TO DATE    0.17                      0.24  -0.07     0.39
  SINCE OCT 1      2.01                      2.05  -0.04     4.28
  SINCE JAN 1     15.99                     13.40   2.59    13.61

SNOWFALL (IN)
  YESTERDAY        0.0           6.2  2015   0.2   -0.2      0.1
  MONTH TO DATE    1.4                       3.6   -2.2      7.1
  SINCE DEC 1      1.4                       3.6   -2.2      7.1
  SINCE JUL 1     13.6                      15.3   -1.7     12.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        39    -11       60
  MONTH TO DATE  378                       526   -148      667
  SINCE DEC 1    378                       526   -148      667
  SINCE JUL 1   1980                      2154   -174     1926

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    840                       636    204      738
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    11.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM
 LOWEST     34           300 PM
 AVERAGE    58

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


THE BILLINGS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        69      1980
 MINIMUM TEMPERATURE (F)   17       -20      1964


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   749 AM MST   SUNSET   430 PM MST
DECEMBER 16 2017......SUNRISE   749 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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