Climatological Report (Daily)
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144
CDUS45 KRIW 210750
CLIGEY


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


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

...THE GREYBULL 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         34    358 PM  47    1999  29      5       36
  MINIMUM         23   1159 PM  -6    2007   5     18       11
  AVERAGE         29                        17     12       24

PRECIPITATION (IN)
  YESTERDAY        0.00          0.05 2001   0.00   0.00     0.00
  MONTH TO DATE    0.01                      0.15  -0.14     0.08
  SINCE DEC 1      0.23                      0.43  -0.20     0.11
  SINCE JAN 1      0.01                      0.15  -0.14     0.08

DEGREE DAYS
 HEATING
  YESTERDAY       36                        48    -12       41
  MONTH TO DATE 1003                       971     32     1306
  SINCE DEC 1   2445                      2437      8     2955
  SINCE JUL 1   4222                      4294    -72     4330

 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    18   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           700 AM
 LOWEST     69           100 PM
 AVERAGE    81

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        51      2005
 MINIMUM TEMPERATURE (F)    5       -25      2008


SUNRISE AND SUNSET
JANUARY 21 2018.......SUNRISE   741 AM MST   SUNSET   506 PM MST
JANUARY 22 2018.......SUNRISE   741 AM MST   SUNSET   508 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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