AFOS product CLICPR
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CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1256 AM MST THU DEC 22 2011


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 21 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         30        MM  53    1969  34     -4       31
  MINIMUM         22        MM -41    1990  13      9       21
  AVERAGE         26                        23      3       26

PRECIPITATION (IN)
  YESTERDAY        0.20          0.21 2003   0.01   0.19      T
  MONTH TO DATE    0.33                      0.33   0.00     0.64
  SINCE DEC 1      0.33                      0.33   0.00     0.64
  SINCE JAN 1     12.91                     12.36   0.55    11.89

SNOWFALL (IN)
  YESTERDAY        3.8                       0.3    3.5      0.1
  MONTH TO DATE    7.6                       7.5    0.1      8.4
  SINCE DEC 1      7.6                       7.5    0.1      8.4
  SINCE JUL 1     22.9                      27.0   -4.1     17.2
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       39                        42     -3       39
  MONTH TO DATE  889                       863     26      778
  SINCE DEC 1    889                       863     26      778
  SINCE JUL 1   2526                      2717   -191     2447

 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    31   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    16.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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          1000 AM
 LOWEST     58           200 AM
 AVERAGE    75

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        55      1940
 MINIMUM TEMPERATURE (F)   13       -33      1983


SUNRISE AND SUNSET
DECEMBER 22 2011......SUNRISE   734 AM MST   SUNSET   435 PM MST
DECEMBER 23 2011......SUNRISE   734 AM MST   SUNSET   435 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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