Climatological Report (Daily)
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CDUS45 KRIW 190750
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
146 AM MDT SUN MAY 19 2013


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 18 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         70   1153 AM  88    2009  68      2       71
                                      1992
  MINIMUM         40    447 AM  25    1943  38      2       45
  AVERAGE         55                        53      2       58

PRECIPITATION (IN)
  YESTERDAY        0.05          1.19 1978   0.07  -0.02     0.25
  MONTH TO DATE    0.34                      1.17  -0.83     0.64
  SINCE MAR 1      3.73                      3.28   0.45     1.98
  SINCE JAN 1      4.50                      4.36   0.14     3.53

SNOWFALL (IN)
  YESTERDAY        0.0                       0.1   -0.1      0.0
  MONTH TO DATE    3.5                       2.5    1.0      0.0
  SINCE MAR 1     53.0                      25.0   28.0      5.8
  SINCE JUL 1     85.7                      74.4   11.3     52.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                        12     -2        7
  MONTH TO DATE  210                       269    -59      198
  SINCE MAR 1   2023                      1863    160     1370
  SINCE JUL 1   7073                      7311   -238     6557

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   10                         0     10        7
  SINCE MAR 1     10                         0     10        7
  SINCE JAN 1     10                         0     10        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     25          1200 PM
 AVERAGE    61

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        89      2009
                                             1992
 MINIMUM TEMPERATURE (F)   38        27      1968
                                             1966


SUNRISE AND SUNSET
MAY 19 2013...........SUNRISE   539 AM MDT   SUNSET   827 PM MDT
MAY 20 2013...........SUNRISE   538 AM MDT   SUNSET   828 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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