Climatological Report (Daily)
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670
CDUS45 KRIW 170753
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1250 AM MST SUN DEC 17 2017


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

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 16 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         38    302 PM  58    2013  29      9       42
  MINIMUM         25   1159 PM -12    1972  12     13       -1
  AVERAGE         32                        20     12       21

PRECIPITATION (IN)
  YESTERDAY        T             0.26 1967   0.02  -0.02     0.02
  MONTH TO DATE    0.05                      0.27  -0.22     0.08
  SINCE DEC 1      0.05                      0.27  -0.22     0.08
  SINCE JAN 1      5.51                      8.33  -2.82     7.44

DEGREE DAYS
 HEATING
  YESTERDAY       33                        44    -11       44
  MONTH TO DATE  559                       691   -132      737
  SINCE DEC 1    559                       691   -132      737
  SINCE JUL 1   2439                      2684   -245     2457

 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    13   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           700 PM
 LOWEST     32           100 AM
 AVERAGE    59

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        57      1980
 MINIMUM TEMPERATURE (F)   12       -16      1964


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   737 AM MST   SUNSET   448 PM MST
DECEMBER 18 2017......SUNRISE   738 AM MST   SUNSET   448 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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