Climatological Report (Daily)
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CDUS45 KRIW 140031
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
529 PM MST WED DEC 13 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 13 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         45        MM  57    2014  34     11       31
  MINIMUM         17        MM -16    1967  13      4       -8
  AVERAGE         31                        23      8       12

PRECIPITATION (IN)
  TODAY            0.00          0.32 1975   0.01  -0.01     0.00
  MONTH TO DATE    0.35                      0.21   0.14     0.46
  SINCE DEC 1      0.35                      0.21   0.14     0.46
  SINCE JAN 1     13.08                     12.24   0.84    14.72

SNOWFALL (IN)
  TODAY            0.0                       0.4   -0.4      0.0
  MONTH TO DATE    5.4                       4.7    0.7      8.7
  SINCE DEC 1      5.4                       4.7    0.7      8.7
  SINCE JUL 1     14.6                      24.2   -9.6     11.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           34                        42     -8       53
  MONTH TO DATE  441                       527    -86      661
  SINCE DEC 1    441                       527    -86      661
  SINCE JUL 1   2185                      2381   -196     2087

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    448                       422     26      451
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     5.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           600 AM
 LOWEST     33          1200 PM
 AVERAGE    57

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


THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        55      1998
 MINIMUM TEMPERATURE (F)   13       -19      2008


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   729 AM MST   SUNSET   432 PM MST
DECEMBER 14 2017......SUNRISE   729 AM MST   SUNSET   432 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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