Climatological Report (Daily)
Issued by NWS Billings, MT

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000
CDUS45 KBYZ 160723
CLIBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1223 AM MST SAT DEC 16 2017


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

...THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 15 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    854 PM  69    1980  35     12       14
  MINIMUM         34    303 AM -20    1964  17     17        8
  AVERAGE         41                        26     15       11

PRECIPITATION (IN)
  YESTERDAY        T             0.66 2016   0.01  -0.01     0.66
  MONTH TO DATE    0.17                      0.25  -0.08     1.05
  SINCE OCT 1      2.01                      2.06  -0.05     4.94
  SINCE JAN 1     15.99                     13.41   2.58    14.27

SNOWFALL (IN)
  YESTERDAY        0.0          11.0  2016   0.3   -0.3     11.0
  MONTH TO DATE    1.4                       3.9   -2.5     18.1
  SINCE DEC 1      1.4                       3.9   -2.5     18.1
  SINCE JUL 1     13.6                      15.6   -2.0     23.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        39    -15       54
  MONTH TO DATE  402                       565   -163      721
  SINCE DEC 1    402                       565   -163      721
  SINCE JUL 1   2004                      2193   -189     1980

 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     W (250)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    18.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    52          1200 AM
 LOWEST     28           300 PM
 AVERAGE    40

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


THE BILLINGS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        67      1980
 MINIMUM TEMPERATURE (F)   17       -26      1964


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   749 AM MST   SUNSET   430 PM MST
DECEMBER 17 2017......SUNRISE   750 AM MST   SUNSET   431 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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