Climatological Report (Daily)
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304
CDUS45 KRIW 220029
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
629 PM MDT SAT APR 21 2018


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 21 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         53        MM  56    2016  45      8       35
                                      2009
  MINIMUM         18        MM   2    2002  21     -3       21
  AVERAGE         36

PRECIPITATION (IN)
  TODAY            0.00          0.47 2004   0.07  -0.07     0.13
  MONTH TO DATE    3.23                      1.41   1.82     1.81
  SINCE MAR 1      4.95                      2.62   2.33     4.30
  SINCE JAN 1     10.42                      6.14   4.28    14.54

DEGREE DAYS
 HEATING
  TODAY           29                        32     -3       37
  MONTH TO DATE  792                       736     56      747
  SINCE MAR 1   2187                      2038    149     1849
  SINCE JUL 1  10166                      9975    191     9907

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


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     1.7


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    92           300 AM
 LOWEST     24           100 PM
 AVERAGE    58

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        61      2016
 MINIMUM TEMPERATURE (F)   21         5      2008


SUNRISE AND SUNSET
APRIL 21 2018.........SUNRISE   627 AM MDT   SUNSET   814 PM MDT
APRIL 22 2018.........SUNRISE   626 AM MDT   SUNSET   815 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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