AFOS product CLICPR
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CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
215 AM MDT WED MAY 18 2011


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 17 2011...

CLIMATE NORMAL PERIOD 1971 TO 2000
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         58        MM  87    1948  67     -9       75
  MINIMUM         39        MM  28    1990  38      1       34
                                      1986
                                      1942
  AVERAGE         49                        52     -3       55

PRECIPITATION (IN)
  YESTERDAY        T             2.22 2000   0.08  -0.08     0.00
  MONTH TO DATE    0.97                      1.32  -0.35     1.08
  SINCE MAR 1      2.83                      3.74  -0.91     3.76
  SINCE JAN 1      4.13                      4.96  -0.83     4.38

SNOWFALL (IN)
  YESTERDAY        0.0                       0.1   -0.1      0.0
  MONTH TO DATE    0.0                       3.8   -3.8      2.8
  SINCE MAR 1     12.4                      29.9  -17.5     26.3
  SINCE JUL 1     62.5                      84.7  -22.2     76.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        12      4       10
  MONTH TO DATE  311                       255     56      398
  SINCE MAR 1   1870                      1837     33     1930
  SINCE JUL 1   7232                      7315    -83     7718

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1100 PM
 LOWEST     40           500 PM
 AVERAGE    67

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        88      2009
                                             1992
 MINIMUM TEMPERATURE (F)   39        25      1943


SUNRISE AND SUNSET
MAY 18 2011...........SUNRISE   540 AM MDT   SUNSET   825 PM MDT
MAY 19 2011...........SUNRISE   539 AM MDT   SUNSET   826 PM MDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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