589 
CDUS45 KRIW 160731
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU SEP 16 2010


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 15 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         76        MM  92    2000  74      2       83
  MINIMUM         40        MM  28    1965  42     -2       54
                                      1947
  AVERAGE         58                        58      0       69

PRECIPITATION (IN)
  YESTERDAY        T             0.27 1965   0.03  -0.03     0.08
  MONTH TO DATE    0.18                      0.44  -0.26     0.11
  SINCE SEP 1      0.18                      0.44  -0.26     0.11
  SINCE JAN 1      9.74                      9.91  -0.17    11.97

SNOWFALL (IN)
  YESTERDAY        0.0                       0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.5   -0.5      0.0
  SINCE SEP 1      0.0                       0.5   -0.5      0.0
  SINCE JUL 1      0.0                       0.5   -0.5      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                         8     -1        0
  MONTH TO DATE   83                        83      0       47
  SINCE SEP 1     83                        83      0       47
  SINCE JUL 1    141                       124     17      140

 COOLING
  YESTERDAY        0                         1     -1        4
  MONTH TO DATE   11                        25    -14       32
  SINCE SEP 1     11                        25    -14       32
  SINCE JAN 1    415                       426    -11      221
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           500 AM
 LOWEST     15           300 PM
 AVERAGE    52

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      2000
 MINIMUM TEMPERATURE (F)   41        19      1965


SUNRISE AND SUNSET
SEPTEMBER 16 2010.....SUNRISE   647 AM MDT   SUNSET   714 PM MDT
SEPTEMBER 17 2010.....SUNRISE   648 AM MDT   SUNSET   712 PM MDT


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




$$