Climatological Report (Daily)
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304
CDUS45 KRIW 260806
CLIP60

CLIMATE REPORT...UPDATED
NATIONAL WEATHER SERVICE RIVERTON WY
145 AM MDT TUE SEP 26 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 25 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         40        MM  74    2015  58    -38       55
  MINIMUM         27        MM  20    2000  29     -2       25
  AVERAGE         34                        43    -19       40

PRECIPITATION (IN)
  YESTERDAY        0.00          0.39 2013   0.03  -0.03     0.00
  MONTH TO DATE    3.27                      1.13   2.14     2.13
  SINCE SEP 1      3.27                      1.13   2.14     2.13
  SINCE JAN 1     25.57                     15.20  10.37    13.36

DEGREE DAYS
 HEATING
  YESTERDAY       41                        22     19       25
  MONTH TO DATE  479                       433     46      471
  SINCE SEP 1    479                       433     46      471
  SINCE JUL 1   1032                      1020     12     1054

 COOLING
  YESTERDAY        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    14   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     2.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER  MM


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM
 LOWEST     MM
 AVERAGE    MM

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        73      2015
                                             2010
 MINIMUM TEMPERATURE (F)   29        22      2000


SUNRISE AND SUNSET
SEPTEMBER 26 2017.....SUNRISE   714 AM MDT   SUNSET   711 PM MDT
SEPTEMBER 27 2017.....SUNRISE   715 AM MDT   SUNSET   709 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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