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CDUS45 KRIW 200739
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT MON MAY 20 2013


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...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 19 2013...

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)
 YESTERDAY
  MAXIMUM         55    257 PM  86    1954  65    -10       62
  MINIMUM         37    514 AM  25    2003  39     -2       38
  AVERAGE         46                        52     -6       50

PRECIPITATION (IN)
  YESTERDAY        0.03          0.70 1953   0.04  -0.01     0.02
  MONTH TO DATE    0.25                      0.75  -0.50     0.21
  SINCE MAR 1      0.25                      2.34  -2.09     0.83
  SINCE JAN 1      0.25                      3.27  -3.02     1.39

DEGREE DAYS
 HEATING
  YESTERDAY       19                        13      6       15
  MONTH TO DATE  247                       306    -59      219
  SINCE MAR 1   1979                      1986     -7     1532
  SINCE JUL 1   7460                      7838   -378     6865

 COOLING
  YESTERDAY        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    30   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    13.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1100 PM
 LOWEST     38          1100 AM
 AVERAGE    64

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        86      1954
 MINIMUM TEMPERATURE (F)   39        27      2003


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.




$$
National Weather Service Regional Office
