Climatological Report (Daily)
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CDUS45 KRIW 120747
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1246 AM MST TUE DEC 12 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 11 2017...

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)
 YESTERDAY
  MAXIMUM         32    251 PM  41    2014  24      8       20
  MINIMUM          2    639 AM -17    2007   4     -2       -2
  AVERAGE         17                        14      3        9

PRECIPITATION (IN)
  YESTERDAY        0.00          0.08 2015   0.04  -0.04     0.04
  MONTH TO DATE    0.38                      0.52  -0.14     0.97
  SINCE DEC 1      0.38                      0.52  -0.14     0.97
  SINCE JAN 1     31.88                     19.32  12.56    21.97

DEGREE DAYS
 HEATING
  YESTERDAY       48                        51     -3       56
  MONTH TO DATE  539                       551    -12      603
  SINCE DEC 1    539                       551    -12      603
  SINCE JUL 1   3908                      3871     37     3747

 COOLING
  YESTERDAY        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     6   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED     8   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     0.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1200 AM
 LOWEST     69           100 PM
 AVERAGE    83

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        46      2014
 MINIMUM TEMPERATURE (F)    4        -8      2007


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   749 AM MST   SUNSET   442 PM MST
DECEMBER 13 2017......SUNRISE   750 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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