Climatological Report (Daily)
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799
CDUS45 KRIW 210029
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
628 PM MDT SUN MAY 20 2018


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

...THE GREYBULL WY CLIMATE SUMMARY FOR MAY 20 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         75        MM  90    2002  72      3       68
  MINIMUM         42        MM  29    2003  44     -2       34
  AVERAGE         59

PRECIPITATION (IN)
  TODAY            0.00          0.42 2010   0.06  -0.06     0.00
  MONTH TO DATE    0.61                      0.88  -0.27     0.38
  SINCE MAR 1      1.81                      1.99  -0.18     1.19
  SINCE JAN 1      2.08                      2.40  -0.32     1.40

DEGREE DAYS
 HEATING
  TODAY            6                         8     -2       14
  MONTH TO DATE  137                       212    -75      164
  SINCE MAR 1   1617                      1640    -23     1325
  SINCE JUL 1   7804                      7611    193     7366

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    6                         5      1        8
  SINCE MAR 1      6                         6      0        8
  SINCE JAN 1      6                         6      0        8
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     7.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           500 AM
 LOWEST     31           400 PM
 AVERAGE    64

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


THE GREYBULL WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        87      2002
 MINIMUM TEMPERATURE (F)   45        31      2001


SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE   539 AM MDT   SUNSET   839 PM MDT
MAY 21 2018...........SUNRISE   539 AM MDT   SUNSET   840 PM MDT


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




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