Climatological Report (Daily)
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CDUS45 KRIW 140740
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1240 AM MST THU DEC 14 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 13 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         45   1256 PM  57    2014  34     11       31
  MINIMUM         17    725 AM -16    1967  13      4       -8
  AVERAGE         31                        23      8       12

PRECIPITATION (IN)
  YESTERDAY        0.05          0.32 1975   0.01   0.04     0.00
  MONTH TO DATE    0.40                      0.21   0.19     0.46
  SINCE DEC 1      0.40                      0.21   0.19     0.46
  SINCE JAN 1     13.13                     12.24   0.89    14.72

SNOWFALL (IN)
  YESTERDAY       MM                         0.4   MM        0.0
  MONTH TO DATE    5.4                       4.7    0.7      8.7
  SINCE DEC 1      5.4                       4.7    0.7      8.7
  SINCE JUL 1     14.6                      24.2   -9.6     11.9
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       34                        42     -8       53
  MONTH TO DATE  441                       527    -86      661
  SINCE DEC 1    441                       527    -86      661
  SINCE JUL 1   2185                      2381   -196     2087

 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    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     5.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 PM
 LOWEST     33          1200 PM
 AVERAGE    67

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        55      1998
 MINIMUM TEMPERATURE (F)   13       -19      2008


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   729 AM MST   SUNSET   432 PM MST
DECEMBER 15 2017......SUNRISE   730 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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