Climatological Report (Daily)
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CDUS45 KRIW 120031
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
529 PM MST MON DEC 11 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 11 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         43        MM  59    1939  34      9       34
  MINIMUM         27        MM -19    1985  13     14       20
  AVERAGE         35                        24     11       27

PRECIPITATION (IN)
  TODAY            0.00          0.15 1984   0.01  -0.01     0.05
  MONTH TO DATE    0.35                      0.18   0.17     0.46
  SINCE DEC 1      0.35                      0.18   0.17     0.46
  SINCE JAN 1     13.08                     12.21   0.87    14.72

SNOWFALL (IN)
  TODAY            0.0                       0.3   -0.3      1.1
  MONTH TO DATE    5.4                       3.9    1.5      8.7
  SINCE DEC 1      5.4                       3.9    1.5      8.7
  SINCE JUL 1     14.6                      23.4   -8.8     11.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           30                        41    -11       38
  MONTH TO DATE  379                       443    -64      561
  SINCE DEC 1    379                       443    -64      561
  SINCE JUL 1   2123                      2297   -174     1987

 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    21   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    14.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    47          1200 AM
 LOWEST     33          1200 PM
 AVERAGE    40

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


THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        60      2014
 MINIMUM TEMPERATURE (F)   13       -14      2000


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   727 AM MST   SUNSET   431 PM MST
DECEMBER 12 2017......SUNRISE   728 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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