Climatological Report (Daily)
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CDUS45 KRIW 120747
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1246 AM MST TUE DEC 12 2017


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

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 11 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         49    258 PM  51    2004  30     19       29
  MINIMUM         22    714 AM -24    1972  12     10       15
  AVERAGE         36                        21     15       22

PRECIPITATION (IN)
  YESTERDAY        0.00          0.14 1964   0.02  -0.02      T
  MONTH TO DATE    0.05                      0.19  -0.14     0.06
  SINCE DEC 1      0.05                      0.19  -0.14     0.06
  SINCE JAN 1      5.51                      8.25  -2.74     7.42

DEGREE DAYS
 HEATING
  YESTERDAY       29                        44    -15       43
  MONTH TO DATE  397                       471    -74      523
  SINCE DEC 1    397                       471    -74      523
  SINCE JUL 1   2277                      2464   -187     2243

 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    17   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     6.5


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    60           900 PM
 LOWEST     14           300 PM
 AVERAGE    37

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        51      2004
 MINIMUM TEMPERATURE (F)   12       -12      1972


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   734 AM MST   SUNSET   446 PM MST
DECEMBER 13 2017......SUNRISE   735 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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