Climatological Report (Daily)
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CDUS45 KRIW 210035
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
534 PM MST TUE FEB 20 2018


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 20 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM          4        MM  35    2012  29    -25       32
  MINIMUM        -33R       MM -18    2006   3    -36       22
  AVERAGE        -14

PRECIPITATION (IN)
  TODAY            0.01          0.55 2017   0.04  -0.03     0.55
  MONTH TO DATE    3.26                      0.99   2.27     6.45
  SINCE DEC 1      7.62                      4.60   3.02    12.24
  SINCE JAN 1      5.37                      3.10   2.27     9.14

DEGREE DAYS
 HEATING
  TODAY           79                        49     30       38
  MONTH TO DATE 1015                      1021     -6      897
  SINCE DEC 1   4123                      4232   -109     4485
  SINCE JUL 1   7492                      7552    -60     7629

 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     9   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     1.1


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    87          1200 PM
 LOWEST     68           300 PM
 AVERAGE    78

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        38      2012
 MINIMUM TEMPERATURE (F)    3       -21      2010


SUNRISE AND SUNSET
FEBRUARY 20 2018......SUNRISE   714 AM MST   SUNSET   558 PM MST
FEBRUARY 21 2018......SUNRISE   712 AM MST   SUNSET   559 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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