Climatological Report (Daily)
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000
CDUS45 KRIW 180735
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1230 AM MST THU JAN 18 2018


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

...THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 17 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         25    325 PM  46    2010  29     -4       10
  MINIMUM         -4    357 AM -15    2017   5     -9      -15
  AVERAGE         11                        17     -6       -2

PRECIPITATION (IN)
  YESTERDAY        0.00          0.25 2008   0.00   0.00     0.00
  MONTH TO DATE    0.01                      0.13  -0.12     0.08
  SINCE DEC 1      0.23                      0.41  -0.18     0.11
  SINCE JAN 1      0.01                      0.13  -0.12     0.08

DEGREE DAYS
 HEATING
  YESTERDAY       54                        48      6       67
  MONTH TO DATE  884                       827     57     1155
  SINCE DEC 1   2326                      2293     33     2804
  SINCE JUL 1   4103                      4150    -47     4179

 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    10   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1200 AM
 LOWEST     59           300 PM
 AVERAGE    73

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


THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        42      2006
 MINIMUM TEMPERATURE (F)    5        -7      2017
                                             2013


SUNRISE AND SUNSET
JANUARY 18 2018.......SUNRISE   743 AM MST   SUNSET   502 PM MST
JANUARY 19 2018.......SUNRISE   743 AM MST   SUNSET   504 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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