Climatological Report (Daily)
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CDUS45 KRIW 210730
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST TUE FEB 21 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 20 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         32    441 PM  35    2012  29      3       28
  MINIMUM         22    355 AM -18    2006   3     19       -1
  AVERAGE         27                        16     11       14

PRECIPITATION (IN)
  YESTERDAY        0.55R         0.28 2011   0.04   0.51     0.13
  MONTH TO DATE    6.45                      0.99   5.46     1.22
  SINCE DEC 1     12.24                      4.60   7.64     5.47
  SINCE JAN 1      9.14                      3.10   6.04     2.43

DEGREE DAYS
 HEATING
  YESTERDAY       38                        49    -11       51
  MONTH TO DATE  897                      1021   -124      884
  SINCE DEC 1   4485                      4232    253     4025
  SINCE JUL 1   7629                      7552     77     7353

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           700 AM
 LOWEST     88           100 AM
 AVERAGE    94

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        38      2012
 MINIMUM TEMPERATURE (F)    3       -21      2010


SUNRISE AND SUNSET
FEBRUARY 21 2017......SUNRISE   712 AM MST   SUNSET   559 PM MST
FEBRUARY 22 2017......SUNRISE   710 AM MST   SUNSET   601 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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