Climatological Report (Daily)
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CDUS45 KRIW 150730
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST FRI DEC 15 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 14 2017...

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)
 YESTERDAY
  MAXIMUM         33    203 PM  55    1998  34     -1       15
  MINIMUM         22    429 AM -19    2008  13      9        5
  AVERAGE         28                        23      5       10

PRECIPITATION (IN)
  YESTERDAY        0.00          0.56 2015   0.02  -0.02     0.02
  MONTH TO DATE    0.40                      0.23   0.17     0.48
  SINCE DEC 1      0.40                      0.23   0.17     0.48
  SINCE JAN 1     13.13                     12.26   0.87    14.74

SNOWFALL (IN)
  YESTERDAY        0.0                       0.4   -0.4      0.4
  MONTH TO DATE    5.4                       5.1    0.3      9.1
  SINCE DEC 1      5.4                       5.1    0.3      9.1
  SINCE JUL 1     14.6                      24.6  -10.0     12.3
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       37                        42     -5       55
  MONTH TO DATE  478                       569    -91      716
  SINCE DEC 1    478                       569    -91      716
  SINCE JUL 1   2222                      2423   -201     2142

 COOLING
  YESTERDAY        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    24   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     58          1100 PM
 AVERAGE    75

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        57      1980
 MINIMUM TEMPERATURE (F)   13       -20      2008


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   730 AM MST   SUNSET   432 PM MST
DECEMBER 16 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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