Climatological Report (Daily)
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CDUS45 KRIW 190734
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST MON FEB 19 2018


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 18 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         28    209 AM  40    2015  28      0       35
  MINIMUM          6   1159 PM -32    2006   3      3       26
  AVERAGE         17                        15      2       31

PRECIPITATION (IN)
  YESTERDAY        1.55R         0.26 2017   0.04   1.51     0.22
  MONTH TO DATE    3.21                      0.90   2.31     5.54
  SINCE DEC 1      7.57                      4.51   3.06    11.33
  SINCE JAN 1      5.32                      3.01   2.31     8.23

DEGREE DAYS
 HEATING
  YESTERDAY       48                        50     -2       34
  MONTH TO DATE  865                       923    -58      822
  SINCE DEC 1   3973                      4134   -161     4410
  SINCE JUL 1   7342                      7454   -112     7554

 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    17   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           600 AM
 LOWEST     78          1200 AM
 AVERAGE    87

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   28        41      2015
 MINIMUM TEMPERATURE (F)    3       -11      2008
                                             2006


SUNRISE AND SUNSET
FEBRUARY 19 2018......SUNRISE   715 AM MST   SUNSET   556 PM MST
FEBRUARY 20 2018......SUNRISE   714 AM MST   SUNSET   558 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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