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CDUS45 KRIW 210045
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
640 PM MDT MON MAY 20 2013


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...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 20 2013...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         51        MM  86    1954  65    -14       73
  MINIMUM         38        MM  27    2003  39     -1       41
  AVERAGE         45                        52     -7       57

PRECIPITATION (IN)
  TODAY            0.30                      0.04   0.26     0.00
  MONTH TO DATE    0.55                      0.79  -0.24     0.21
  SINCE MAR 1      0.55                      2.38  -1.83     0.83
  SINCE JAN 1      0.55                      3.31  -2.76     1.39

DEGREE DAYS
 HEATING
  TODAY           20                        13      7        8
  MONTH TO DATE  267                       319    -52      227
  SINCE MAR 1   1999                      1999      0     1540
  SINCE JUL 1   7480                      7851   -371     6873

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    1                         0      1        0
  SINCE MAR 1      1                         0      1        0
  SINCE JAN 1      1                         0      1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     6.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     76          1000 AM
 AVERAGE    88

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        83      2012
 MINIMUM TEMPERATURE (F)   39        25      2001


SUNRISE AND SUNSET
MAY 20 2013...........SUNRISE   552 AM MDT   SUNSET   834 PM MDT
MAY 21 2013...........SUNRISE   551 AM MDT   SUNSET   835 PM MDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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