Climatological Report (Daily)
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CDUS45 KRIW 140031
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
529 PM MST WED DEC 13 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 13 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         23        MM  37    1998  24     -1       15
  MINIMUM          6        MM  -9    2008   4      2       -4
  AVERAGE         15

PRECIPITATION (IN)
  TODAY            0.13          0.41 2008   0.03   0.10     0.00
  MONTH TO DATE    0.51                      0.59  -0.08     1.01
  SINCE DEC 1      0.51                      0.59  -0.08     1.01
  SINCE JAN 1     32.01                     19.39  12.62    22.01

DEGREE DAYS
 HEATING
  TODAY           50                        51     -1       59
  MONTH TO DATE  636                       653    -17      715
  SINCE DEC 1    636                       653    -17      715
  SINCE JUL 1   4005                      3973     32     3859

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     4   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     0.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           200 PM
 LOWEST     83           300 AM
 AVERAGE    90

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        38      1998
 MINIMUM TEMPERATURE (F)    3       -13      2008


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   750 AM MST   SUNSET   442 PM MST
DECEMBER 14 2017......SUNRISE   751 AM MST   SUNSET   442 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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