Climatological Report (Daily)
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000
CDUS45 KRIW 180038
CLILND


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
537 PM MST SUN DEC 17 2017


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

...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         33        MM  62    1980  31      2       -4
  MINIMUM         16        MM -29    1924   9      7      -21
  AVERAGE         25                        20      5      -12

PRECIPITATION (IN)
  TODAY            0.01          0.38 1924   0.02  -0.01     0.01
  MONTH TO DATE    0.68                      0.35   0.33     0.57
  SINCE DEC 1      0.68                      0.35   0.33     0.57
  SINCE JAN 1     15.64                     12.43   3.21    20.96

SNOWFALL (IN)
  TODAY            T                         0.3   -0.3       T
  MONTH TO DATE    9.1                       6.1    3.0      5.7
  SINCE DEC 1      9.1                       6.1    3.0      5.7
  SINCE JUL 1     17.1                      31.7  -14.6     19.7
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  TODAY           40                        45     -5       77
  MONTH TO DATE  621                       747   -126      817
  SINCE DEC 1    621                       747   -126      817
  SINCE JUL 1   2221                      2620   -399     2373

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    292                       472   -180      562
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           100 AM
 LOWEST     59           200 PM
 AVERAGE    78

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        55      1979
                                             1954
 MINIMUM TEMPERATURE (F)    9       -36      1924


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   740 AM MST   SUNSET   442 PM MST
DECEMBER 18 2017......SUNRISE   741 AM MST   SUNSET   443 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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