Climatological Report (Daily)
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498
CDUS45 KRIW 170037
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
535 PM MST SAT DEC 16 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 16 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         39        MM  59    1980  33      6       16
  MINIMUM         28        MM -31    1964  13     15       -9
  AVERAGE         34                        23     11        4

PRECIPITATION (IN)
  TODAY            0.07          0.36 2016   0.02   0.05     0.36
  MONTH TO DATE    0.47                      0.26   0.21     0.84
  SINCE DEC 1      0.47                      0.26   0.21     0.84
  SINCE JAN 1     13.20                     12.29   0.91    15.10

SNOWFALL (IN)
  TODAY            0.9                       0.4    0.5      5.2
  MONTH TO DATE    6.3                       5.8    0.5     14.3
  SINCE DEC 1      6.3                       5.8    0.5     14.3
  SINCE JUL 1     15.5                      25.3   -9.8     17.5
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  TODAY           31                        42    -11       61
  MONTH TO DATE  539                       653   -114      812
  SINCE DEC 1    539                       653   -114      812
  SINCE JUL 1   2283                      2507   -224     2238

 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    22   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    12.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1000 AM
 LOWEST     33          1200 AM
 AVERAGE    63

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


THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        60      1980
 MINIMUM TEMPERATURE (F)   13       -31      1964


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   731 AM MST   SUNSET   433 PM MST
DECEMBER 17 2017......SUNRISE   731 AM MST   SUNSET   433 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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