Climatological Report (Daily)
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000
CDUS45 KRIW 200033
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
632 PM MDT TUE SEP 19 2017


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

...THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 19 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         57        MM  92    2010  73    -16       83
  MINIMUM         48        MM  30    2003  42      6       50
  AVERAGE         53

PRECIPITATION (IN)
  TODAY            0.11R         0.07 2001   0.03   0.08     0.00
  MONTH TO DATE    1.57                      0.55   1.02     0.58
  SINCE SEP 1      1.57                      0.55   1.02     0.58
  SINCE JAN 1      3.55                      6.00  -2.45     3.46

DEGREE DAYS
 HEATING
  TODAY           12                         8      4        0
  MONTH TO DATE   79                        91    -12       77
  SINCE SEP 1     79                        91    -12       77
  SINCE JUL 1     79                       112    -33       96

 COOLING
  TODAY            0                         0      0        2
  MONTH TO DATE   62                        34     28       37
  SINCE SEP 1     62                        34     28       37
  SINCE JAN 1    824                       667    157      882
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           100 AM
 LOWEST     47           300 PM
 AVERAGE    72

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


THE GREYBULL WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        85      2016
 MINIMUM TEMPERATURE (F)   41        31      1999


SUNRISE AND SUNSET
SEPTEMBER 19 2017.....SUNRISE   656 AM MDT   SUNSET   715 PM MDT
SEPTEMBER 20 2017.....SUNRISE   657 AM MDT   SUNSET   713 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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