AFOS product CLICPR
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CDUS45 KRIW 010742
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1236 AM MST SUN JAN 1 2012


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 31 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         43        MM  54    1980  35      8        2
  MINIMUM         10        MM -34    1978  14     -4       -5
  AVERAGE         27                        24      3       -1

PRECIPITATION (IN)
  YESTERDAY        0.38R         0.24 1984   0.01   0.37     0.19
  MONTH TO DATE    0.71                      0.49   0.22     1.36
  SINCE DEC 1      0.71                      0.49   0.22     1.36
  SINCE JAN 1     13.29                     12.52   0.77    12.61

SNOWFALL (IN)
  YESTERDAY        3.5                       0.3    3.2      1.4
  MONTH TO DATE   11.4                      11.0    0.4     15.8
  SINCE DEC 1     11.4                      11.0    0.4     15.8
  SINCE JUL 1     26.7                      30.5   -3.8     24.6
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       38                        41     -3       66
  MONTH TO DATE 1263                      1277    -14     1171
  SINCE DEC 1   1263                      1275    -12     1171
  SINCE JUL 1   2900                      3129   -229     2840

 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    36   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    13.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 AM
 LOWEST     47           600 AM
 AVERAGE    70

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        52      1943
 MINIMUM TEMPERATURE (F)   14       -29      1979


SUNRISE AND SUNSET
JANUARY  1 2012.......SUNRISE   737 AM MST   SUNSET   442 PM MST
JANUARY  2 2012.......SUNRISE   737 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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