Climatological Report (Daily)
Issued by NWS Riverton, WY

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CDUS45 KRIW 170803 CCA
CLIRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1250 AM MST SUN DEC 17 2017


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

...THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         31    258 PM  55    2013  31      0       21
  MINIMUM         24   1159 PM -10    2008   7     17       -8
  AVERAGE         28                        19      9        7

PRECIPITATION (IN)
  YESTERDAY        0.23R         T    2005   0.01   0.22     0.22
  MONTH TO DATE    0.44                      0.14   0.30     0.24
  SINCE DEC 1      0.44                      0.14   0.30     0.24
  SINCE JAN 1     14.77                      9.25   5.52    13.88

SNOWFALL (IN)
  YESTERDAY        2.5                                       4.1
  MONTH TO DATE    5.8                                       5.0
  SINCE DEC 1      5.8                                       5.0
  SINCE JUL 1     13.1                                       9.4
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       37                        46     -9       58
  MONTH TO DATE  514                       710   -196      739
  SINCE DEC 1    514                       710   -196      739
  SINCE JUL 1   2348                      2626   -278     2335

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    547                       494     53      605
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     8.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 PM
 LOWEST     63           200 AM
 AVERAGE    82

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


THE RIVERTON WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        58      2013
 MINIMUM TEMPERATURE (F)    7       -23      2016


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   740 AM MST   SUNSET   440 PM MST
DECEMBER 18 2017......SUNRISE   740 AM MST   SUNSET   441 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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