Climatological Report (Daily)
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CDUS45 KRIW 210750
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1249 AM MST SUN JAN 21 2018


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 20 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         20    209 PM  42    2005  24     -4       27
  MINIMUM         -7   1159 PM -18    2011   1     -8       -2
  AVERAGE          7                        13     -6       13

PRECIPITATION (IN)
  YESTERDAY        0.04          0.14 1999   0.07  -0.03     0.00
  MONTH TO DATE    1.64                      1.57   0.07     2.43
  SINCE DEC 1      3.89                      3.07   0.82     5.53
  SINCE JAN 1      1.64                      1.57   0.07     2.43

DEGREE DAYS
 HEATING
  YESTERDAY       58                        52      6       52
  MONTH TO DATE  958                      1040    -82     1233
  SINCE DEC 1   2552                      2630    -78     2992
  SINCE JUL 1   5921                      5950    -29     6136

 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     8   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     1.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    95           800 PM
 LOWEST     67           100 PM
 AVERAGE    81

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        37      2005
 MINIMUM TEMPERATURE (F)    1       -26      2008


SUNRISE AND SUNSET
JANUARY 21 2018.......SUNRISE   751 AM MST   SUNSET   516 PM MST
JANUARY 22 2018.......SUNRISE   750 AM MST   SUNSET   517 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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