Climatological Report (Daily)
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000
CDUS45 KRIW 170753
CLILND


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


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

...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 16 2017...

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)
 YESTERDAY
  MAXIMUM         34    624 AM  60    1980  31      3       26
                                      1939
  MINIMUM         24   1155 PM -21    1897   9     15       -4
  AVERAGE         29                        20      9       11

PRECIPITATION (IN)
  YESTERDAY        0.22          0.90 1908   0.01   0.21     0.51
  MONTH TO DATE    0.67                      0.33   0.34     0.56
  SINCE DEC 1      0.67                      0.33   0.34     0.56
  SINCE JAN 1     15.63                     12.41   3.22    20.95

SNOWFALL (IN)
  YESTERDAY        2.6                       0.3    2.3      4.9
  MONTH TO DATE    9.1                       5.8    3.3      5.7
  SINCE DEC 1      9.1                       5.8    3.3      5.7
  SINCE JUL 1     17.1                      31.4  -14.3     19.7
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       36                        45     -9       54
  MONTH TO DATE  581                       702   -121      740
  SINCE DEC 1    581                       702   -121      740
  SINCE JUL 1   2181                      2575   -394     2296

 COOLING
  YESTERDAY        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    14   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 PM
 LOWEST     49           100 AM
 AVERAGE    75

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


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        62      1980
 MINIMUM TEMPERATURE (F)    9       -29      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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