AFOS product CLICPR
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CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1241 AM MST WED DEC 22 2010


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 21 2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1939 TO 2010


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         31    337 PM  53    1969  33     -2       46
  MINIMUM         21    733 PM -41    1990  13      8       30
  AVERAGE         26                        23      3       38

PRECIPITATION (IN)
  YESTERDAY        T             0.21 2003   0.02  -0.02     0.00
  MONTH TO DATE    0.64                      0.42   0.22     0.30
  SINCE DEC 1      0.64                      0.42   0.22     0.30
  SINCE JAN 1     11.89                     12.83  -0.94    15.10

SNOWFALL (IN)
  YESTERDAY        0.1                       0.4   -0.3      0.0
  MONTH TO DATE    8.4                       8.4    0.0      6.8
  SINCE DEC 1      8.4                       8.4    0.0      6.8
  SINCE JUL 1     17.2                      29.5  -12.3     22.5
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       39                        42     -3       27
  MONTH TO DATE  778                       841    -63     1002
  SINCE DEC 1    778                       841    -63     1002
  SINCE JUL 1   2447                      2672   -225     2943

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    423                       428     -5      221
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     3.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 PM
 LOWEST     72          1200 AM
 AVERAGE    86

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


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


SUNRISE AND SUNSET
DECEMBER 22 2010......SUNRISE   734 AM MST   SUNSET   435 PM MST
DECEMBER 23 2010......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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