Climatological Report (Daily)
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CDUS45 KRIW 180038
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
537 PM MST SUN DEC 17 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 17 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         14        MM  35    2013  23     -9        3
  MINIMUM         -9        MM -28    2016   3    -12      -28
  AVERAGE          3

PRECIPITATION (IN)
  TODAY            0.00          0.53 2003   0.04  -0.04     0.00
  MONTH TO DATE    0.76                      0.77  -0.01     2.10
  SINCE DEC 1      0.76                      0.77  -0.01     2.10
  SINCE JAN 1     32.26                     19.57  12.69    23.10

DEGREE DAYS
 HEATING
  TODAY           62                        52     10       77
  MONTH TO DATE  854                       861     -7      953
  SINCE DEC 1    854                       861     -7      953
  SINCE JUL 1   4223                      4181     42     4097

 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     5   HIGHEST WIND DIRECTION     E (99)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     1.3


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    92          1100 AM
 LOWEST     74           500 AM
 AVERAGE    83

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   23        34      2013
 MINIMUM TEMPERATURE (F)    3       -23      2016


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   753 AM MST   SUNSET   443 PM MST
DECEMBER 18 2017......SUNRISE   754 AM MST   SUNSET   443 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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