Climatological Report (Daily)
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CDUS45 KRIW 180731
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT WED OCT 18 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 17 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         MM        MM  64    2015  48     MM       35
  MINIMUM         MM        MM  12    1999  23     MM       29
  AVERAGE         MM                        35     MM       32

PRECIPITATION (IN)
  YESTERDAY        0.00          0.36 2016   0.05  -0.05     0.36
  MONTH TO DATE    0.37                      0.67  -0.30     3.72
  SINCE SEP 1      3.70                      1.97   1.73     6.37
  SINCE JAN 1     26.00                     16.04   9.96    17.60

DEGREE DAYS
 HEATING
  YESTERDAY       MM                        30     MM       33
  MONTH TO DATE  534                       456     78      483
  SINCE SEP 1   1131                      1004    127     1046
  SINCE JUL 1   1684                      1591     93     1629

 COOLING
  YESTERDAY       MM                         0     MM        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     5   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     2.1


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    92           300 AM
 LOWEST     81          1200 AM
 AVERAGE    87

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        64      2003
 MINIMUM TEMPERATURE (F)   23        11      2013
                                             2006


SUNRISE AND SUNSET
OCTOBER 18 2017.......SUNRISE   741 AM MDT   SUNSET   632 PM MDT
OCTOBER 19 2017.......SUNRISE   742 AM MDT   SUNSET   630 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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