Climatological Report (Daily)
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000
CDUS45 KRIW 100822
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
122 AM MST SAT DEC 10 2016


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 9 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         16    235 PM  48    2015  30    -14       48
  MINIMUM          6    819 AM -24    2009   7     -1       23
  AVERAGE         11                        18     -7       36

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2000   0.01  -0.01      T
                                      2000
                                      2015
  MONTH TO DATE    0.01                      0.12  -0.11      T
  SINCE DEC 1      0.01                      0.12  -0.11      T
  SINCE JAN 1      7.06                      7.35  -0.29     2.42

DEGREE DAYS
 HEATING
  YESTERDAY       54                        46      8       29
  MONTH TO DATE  405                       404      1      406
  SINCE DEC 1    405                       404      1      406
  SINCE JUL 1   1780                      2261   -481     1923

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    887                       669    218      821
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     3.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           100 AM
 LOWEST     53           100 PM
 AVERAGE    67

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        53      2003
 MINIMUM TEMPERATURE (F)    7       -22      2009


SUNRISE AND SUNSET
DECEMBER 10 2016......SUNRISE   738 AM MST   SUNSET   432 PM MST
DECEMBER 11 2016......SUNRISE   739 AM MST   SUNSET   432 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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