Climatological Report (Daily)
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CDUS45 KRIW 180036
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
628 PM MDT THU AUG 17 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 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         69        MM  82    2013  72     -3       74
  MINIMUM         41        MM  28    2009  39      2       39
  AVERAGE         55

PRECIPITATION (IN)
  TODAY            0.00          0.62 2007   0.05  -0.05     0.00
  MONTH TO DATE    0.77                      0.79  -0.02     0.06
  SINCE JUN 1      4.55                      4.26   0.29     1.92
  SINCE JAN 1     21.76                     13.34   8.42    10.98

DEGREE DAYS
 HEATING
  TODAY           10                        10      0        8
  MONTH TO DATE  189                       146     43       97
  SINCE JUN 1    911                       922    -11      773
  SINCE JUL 1    415                       429    -14      405

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


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (99)
  AVERAGE WIND SPEED     3.8


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           300 AM
 LOWEST     26           300 PM
 AVERAGE    61

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        80      2013
                                             2001
 MINIMUM TEMPERATURE (F)   38        29      2015


SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE   627 AM MDT   SUNSET   823 PM MDT
AUGUST 18 2017........SUNRISE   628 AM MDT   SUNSET   822 PM MDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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