Climatological Report (Daily)
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CDUS45 KRIW 200738
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST SAT DEC 20 2014


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

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 19 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         34    106 PM  49    1969  29      5       36
  MINIMUM         18    453 AM -17    1990  12      6       11
  AVERAGE         26                        20      6       24

PRECIPITATION (IN)
  YESTERDAY        0.00          0.35 2010   0.02  -0.02     0.07
  MONTH TO DATE    0.01                      0.32  -0.31     0.17
  SINCE DEC 1      0.01                      0.32  -0.31     0.17
  SINCE JAN 1      4.14                      8.38  -4.24     4.63

DEGREE DAYS
 HEATING
  YESTERDAY       39                        45     -6       41
  MONTH TO DATE  656                       826   -170      816
  SINCE DEC 1    656                       826   -170      816
  SINCE JUL 1   2472                      2819   -347     2724

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    307                       286     21      517
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    12.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1200 AM
 LOWEST     56           100 PM
 AVERAGE    70

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        51      1981
 MINIMUM TEMPERATURE (F)   12       -25      1990


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   739 AM MST   SUNSET   449 PM MST
DECEMBER 21 2014......SUNRISE   740 AM MST   SUNSET   449 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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