Climatological Report (Daily)
Issued by NWS Billings, MT

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089
CDUS45 KBYZ 180723
CLIBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1223 AM MST MON DEC 18 2017


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

...THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 17 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         33    245 PM  67    1939  35     -2        0
  MINIMUM         18    840 AM -24    1964  17      1      -19
  AVERAGE         26                        26      0       -9

PRECIPITATION (IN)
  YESTERDAY        0.00          0.38 1955   0.01  -0.01      T
  MONTH TO DATE    0.35                      0.28   0.07     1.31
  SINCE OCT 1      2.19                      2.09   0.10     5.20
  SINCE JAN 1     16.17                     13.44   2.73    14.53

SNOWFALL (IN)
  YESTERDAY        0.0           6.3  1963   0.3   -0.3       T
  MONTH TO DATE    2.8                       4.4   -1.6     24.0
  SINCE DEC 1      2.8                       4.4   -1.6     24.0
  SINCE JUL 1     15.0                      16.1   -1.1     29.3
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       39                        39      0       74
  MONTH TO DATE  473                       643   -170      859
  SINCE DEC 1    473                       643   -170      859
  SINCE JUL 1   2075                      2271   -196     2118

 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    31   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    15.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     64           200 PM
 AVERAGE    82

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


THE BILLINGS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        62      1979
 MINIMUM TEMPERATURE (F)   17       -19      1983


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   751 AM MST   SUNSET   431 PM MST
DECEMBER 19 2017......SUNRISE   751 AM MST   SUNSET   432 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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