Climatological Report (Daily)
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464
CDUS45 KRIW 250729
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON SEP 25 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 24 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         41   1153 AM  74    2011  58    -17       49
                                      2009
  MINIMUM         27    339 AM  13    2000  29     -2       27
  AVERAGE         34                        44    -10       38

PRECIPITATION (IN)
  YESTERDAY       MM             0.65 2005   0.03  MM        0.07
  MONTH TO DATE    3.27                      1.10   2.17     2.13
  SINCE SEP 1      3.27                      1.10   2.17     2.13
  SINCE JAN 1     25.57                     15.17  10.40    13.36

DEGREE DAYS
 HEATING
  YESTERDAY       31                        21     10       27
  MONTH TO DATE  438                       411     27      446
  SINCE SEP 1    438                       411     27      446
  SINCE JUL 1    991                       998     -7     1029

 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     9   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     2.8


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)   58        74      2015
 MINIMUM TEMPERATURE (F)   29        20      2000


SUNRISE AND SUNSET
SEPTEMBER 25 2017.....SUNRISE   713 AM MDT   SUNSET   713 PM MDT
SEPTEMBER 26 2017.....SUNRISE   714 AM MDT   SUNSET   711 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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