Climatological Report (Daily)
Issued by NWS Billings, MT

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000
CDUS45 KBYZ 120723
CLIBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1223 AM MST TUE DEC 12 2017


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

...THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 11 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         48    347 PM  67    2004  35     13       31
  MINIMUM         31    825 AM -17    1961  18     13        0
  AVERAGE         40                        27     13       16

PRECIPITATION (IN)
  YESTERDAY        0.00          0.35 1984   0.02  -0.02      T
  MONTH TO DATE    0.17                      0.19  -0.02     0.28
  SINCE OCT 1      2.01                      2.00   0.01     4.17
  SINCE JAN 1     15.99                     13.35   2.64    13.50

SNOWFALL (IN)
  YESTERDAY        0.0           5.5  1984   0.2   -0.2       T
  MONTH TO DATE    1.4                       2.8   -1.4      5.2
  SINCE DEC 1      1.4                       2.8   -1.4      5.2
  SINCE JUL 1     13.6                      14.5   -0.9     10.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        38    -13       49
  MONTH TO DATE  306                       409   -103      493
  SINCE DEC 1    306                       409   -103      493
  SINCE JUL 1   1908                      2037   -129     1752

 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 (230)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    56           900 PM
 LOWEST     26           200 PM
 AVERAGE    41

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


THE BILLINGS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        57      1988
 MINIMUM TEMPERATURE (F)   18       -11      2000


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   746 AM MST   SUNSET   430 PM MST
DECEMBER 13 2017......SUNRISE   747 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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