AFOS product CLICPR
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CDUS45 KRIW 230738
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST FRI DEC 23 2011


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 22 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2011


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         22        MM  55    1940  34    -12       31
  MINIMUM          6        MM -33    1983  13     -7       24
  AVERAGE         14                        23     -9       28

PRECIPITATION (IN)
  YESTERDAY        T             0.23 1941   0.02  -0.02      T
  MONTH TO DATE    0.33                      0.35  -0.02     0.64
  SINCE DEC 1      0.33                      0.35  -0.02     0.64
  SINCE JAN 1     12.91                     12.38   0.53    11.89

SNOWFALL (IN)
  YESTERDAY        0.2                       0.4   -0.2      0.1
  MONTH TO DATE    7.8                       7.9   -0.1      8.5
  SINCE DEC 1      7.8                       7.9   -0.1      8.5
  SINCE JUL 1     23.1                      27.4   -4.3     17.3
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       51                        42      9       37
  MONTH TO DATE  940                       905     35      815
  SINCE DEC 1    940                       905     35      815
  SINCE JUL 1   2577                      2759   -182     2484

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    519                       422     97      423
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    12.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           500 AM
 LOWEST     59          1100 PM
 AVERAGE    76

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        53      1994
 MINIMUM TEMPERATURE (F)   13       -39      1983


SUNRISE AND SUNSET
DECEMBER 23 2011......SUNRISE   734 AM MST   SUNSET   435 PM MST
DECEMBER 24 2011......SUNRISE   735 AM MST   SUNSET   436 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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