Climatological Report (Daily)
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CDUS45 KRIW 110729
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST MON DEC 11 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 10 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         28    233 PM  36    2014  24      4       29
                                      2004
  MINIMUM          0    712 AM -24    2009   4     -4       12
  AVERAGE         14                        14      0       21

PRECIPITATION (IN)
  YESTERDAY        0.00          0.32 2015   0.04  -0.04     0.21
  MONTH TO DATE    0.38                      0.48  -0.10     0.93
  SINCE DEC 1      0.38                      0.48  -0.10     0.93
  SINCE JAN 1     31.88                     19.28  12.60    21.93

DEGREE DAYS
 HEATING
  YESTERDAY       51                        51      0       44
  MONTH TO DATE  491                       500     -9      547
  SINCE DEC 1    491                       500     -9      547
  SINCE JUL 1   3860                      3820     40     3691

 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    NW (310)
  HIGHEST GUST SPEED     8   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     1.1


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          1100 AM
 LOWEST     81           300 PM
 AVERAGE    91

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        41      2014
 MINIMUM TEMPERATURE (F)    4       -17      2007


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   748 AM MST   SUNSET   442 PM MST
DECEMBER 12 2017......SUNRISE   749 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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