AFOS product CLICPR
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CDUS45 KRIW 180743
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1242 AM MST TUE DEC 18 2012


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 17 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         48    151 PM  60    1980  33     15       38
  MINIMUM         22   1251 AM -31    1964  13      9       26
  AVERAGE         35                        23     12       32

PRECIPITATION (IN)
  YESTERDAY        T             0.45 1970   0.01  -0.01     0.00
  MONTH TO DATE    0.08                      0.27  -0.19     0.13
  SINCE DEC 1      0.08                      0.27  -0.19     0.13
  SINCE JAN 1      7.57                     12.30  -4.73    12.71

SNOWFALL (IN)
  YESTERDAY       MM                         0.3   MM        0.0
  MONTH TO DATE    T                         6.1   -6.1      3.8
  SINCE DEC 1      T                         6.1   -6.1      3.8
  SINCE JUL 1     12.7                      25.6  -12.9     19.1
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       30                        42    -12       33
  MONTH TO DATE  554                       695   -141      736
  SINCE DEC 1    554                       695   -141      736
  SINCE JUL 1   2088                      2549   -461     2373

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    697                       422    275      519
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    47   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    59   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    22.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           100 AM
 LOWEST     34           300 PM
 AVERAGE    50

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        52      1994
 MINIMUM TEMPERATURE (F)   13       -18      1983


SUNRISE AND SUNSET
DECEMBER 18 2012......SUNRISE   732 AM MST   SUNSET   433 PM MST
DECEMBER 19 2012......SUNRISE   733 AM MST   SUNSET   434 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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