Climatological Report (Daily)
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000
CDUS45 KRIW 190731
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE SEP 19 2017


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

...THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 18 2017...

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)
 YESTERDAY
  MAXIMUM         79    454 PM  90    2004  74      5       82
  MINIMUM         38    610 AM  27    2003  42     -4       56
  AVERAGE         59                        58      1       69

PRECIPITATION (IN)
  YESTERDAY        0.09R         0.07 2013   0.02   0.07      T
  MONTH TO DATE    1.46                      0.52   0.94     0.58
  SINCE SEP 1      1.46                      0.52   0.94     0.58
  SINCE JAN 1      3.44                      5.97  -2.53     3.46

DEGREE DAYS
 HEATING
  YESTERDAY        6                         8     -2        0
  MONTH TO DATE   67                        83    -16       77
  SINCE SEP 1     67                        83    -16       77
  SINCE JUL 1     67                       104    -37       96

 COOLING
  YESTERDAY        0                         1     -1        4
  MONTH TO DATE   62                        34     28       35
  SINCE SEP 1     62                        34     28       35
  SINCE JAN 1    824                       667    157      880
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     16           500 PM
 AVERAGE    58

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        92      2010
 MINIMUM TEMPERATURE (F)   42        30      2003


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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