Climatological Report (Daily)
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CDUS45 KRIW 220027
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
627 PM MDT SAT OCT 21 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 21 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         28        MM  63    2003  46    -18       49
  MINIMUM         18    300 AM  13    2007  22     -4       25
  AVERAGE         23

PRECIPITATION (IN)
  TODAY            0.00          0.13 2008   0.04  -0.04     0.00
  MONTH TO DATE    0.45                      0.85  -0.40     3.95
  SINCE SEP 1      3.78                      2.15   1.63     6.60
  SINCE JAN 1     26.08                     16.22   9.86    17.83

DEGREE DAYS
 HEATING
  TODAY           42                        31     11       28
  MONTH TO DATE  654                       578     76      623
  SINCE SEP 1   1251                      1126    125     1186
  SINCE JUL 1   1804                      1713     91     1769

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


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (99)
  AVERAGE WIND SPEED     5.0


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    88           800 AM
 LOWEST     68           400 PM
 AVERAGE    78

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        66      2003
 MINIMUM TEMPERATURE (F)   22         5      2006


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   745 AM MDT   SUNSET   627 PM MDT
OCTOBER 22 2017.......SUNRISE   746 AM MDT   SUNSET   625 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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