Climatological Report (Daily)
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CDUS45 KRIW 220805
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
204 AM MDT FRI SEP 22 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 21 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  69    2012  60     MM       66
                                      2001
  MINIMUM         MM        MM  22    2004  30     MM       32
  AVERAGE         MM                        45     MM       49

PRECIPITATION (IN)
  YESTERDAY       MM             0.43 2006   0.03  MM        0.02
  MONTH TO DATE    3.25                      1.00   2.25     1.01
  SINCE SEP 1      3.25                      1.00   2.25     1.01
  SINCE JAN 1     25.55                     15.07  10.48    12.24

DEGREE DAYS
 HEATING
  YESTERDAY       MM                        20     MM       16
  MONTH TO DATE  318                       348    -30      386
  SINCE SEP 1    318                       348    -30      386
  SINCE JUL 1    871                       935    -64      969

 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    MM   HIGHEST WIND DIRECTION    MM
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    MM


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)   59        71      2015
                                             2012
 MINIMUM TEMPERATURE (F)   30        19      2000


SUNRISE AND SUNSET
SEPTEMBER 22 2017.....SUNRISE   709 AM MDT   SUNSET   718 PM MDT
SEPTEMBER 23 2017.....SUNRISE   710 AM MDT   SUNSET   717 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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