Climatological Report (Daily)
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CDUS45 KRIW 230729
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT SEP 23 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 22 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         39    303 PM  71    2015  59    -20       57
                                      2012
  MINIMUM         31   1159 PM  19    2000  30      1       42
  AVERAGE         35                        44     -9       50

PRECIPITATION (IN)
  YESTERDAY        0.01          0.68 2016   0.04  -0.03     0.68
  MONTH TO DATE    3.27                      1.04   2.23     1.69
  SINCE SEP 1      3.27                      1.04   2.23     1.69
  SINCE JAN 1     25.57                     15.11  10.46    12.92

DEGREE DAYS
 HEATING
  YESTERDAY       30                        21      9       15
  MONTH TO DATE  378                       369      9      401
  SINCE SEP 1    378                       369      9      401
  SINCE JUL 1    931                       956    -25      984

 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     7   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     0.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER  MM


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM
 LOWEST     MM
 AVERAGE    MM

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        73      2011
 MINIMUM TEMPERATURE (F)   29        18      2000


SUNRISE AND SUNSET
SEPTEMBER 23 2017.....SUNRISE   710 AM MDT   SUNSET   717 PM MDT
SEPTEMBER 24 2017.....SUNRISE   712 AM MDT   SUNSET   715 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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