Climatological Report (Daily)
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CDUS45 KRIW 160736
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1234 AM MST SAT DEC 16 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 15 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         27    249 PM  35    2006  24      3       30
  MINIMUM          2    230 AM -12    2007   3     -1       16
  AVERAGE         15                        13      2       23

PRECIPITATION (IN)
  YESTERDAY        0.00          0.97 2006   0.04  -0.04     0.88
  MONTH TO DATE    0.52                      0.68  -0.16     2.10
  SINCE DEC 1      0.52                      0.68  -0.16     2.10
  SINCE JAN 1     32.02                     19.48  12.54    23.10

DEGREE DAYS
 HEATING
  YESTERDAY       50                        52     -2       42
  MONTH TO DATE  739                       757    -18      816
  SINCE DEC 1    739                       757    -18      816
  SINCE JUL 1   4108                      4077     31     3960

 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     5   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED     7   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     0.1


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   100           800 PM
 LOWEST     81           300 PM
 AVERAGE    91

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   23        33      1998
 MINIMUM TEMPERATURE (F)    3       -18      2016


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   752 AM MST   SUNSET   443 PM MST
DECEMBER 17 2017......SUNRISE   753 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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