Climatological Report (Daily)
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CDUS45 KRIW 140740
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1240 AM MST THU DEC 14 2017


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

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 13 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44   1253 PM  49    2010  29     15       24
  MINIMUM         24   1159 PM -10    1967  12     12       11
  AVERAGE         34                        21     13       18

PRECIPITATION (IN)
  YESTERDAY        T             0.21 1975   0.02  -0.02     0.00
  MONTH TO DATE    0.05                      0.22  -0.17     0.06
  SINCE DEC 1      0.05                      0.22  -0.17     0.06
  SINCE JAN 1      5.51                      8.28  -2.77     7.42

DEGREE DAYS
 HEATING
  YESTERDAY       31                        44    -13       47
  MONTH TO DATE  457                       559   -102      615
  SINCE DEC 1    457                       559   -102      615
  SINCE JUL 1   2337                      2552   -215     2335

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    394                       286    108      354
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    10.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           700 PM
 LOWEST     14           200 PM
 AVERAGE    46

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        52      1977
 MINIMUM TEMPERATURE (F)   12       -10      2008


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   735 AM MST   SUNSET   447 PM MST
DECEMBER 15 2017......SUNRISE   736 AM MST   SUNSET   447 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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