Climatological Report (Daily)
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CDUS45 KRIW 210733
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT TUE APR 21 2015


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 20 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         49    408 PM  57    2010  45      4       49
  MINIMUM         21    612 AM   1    2011  20      1       23
  AVERAGE         35                        32      3       36

PRECIPITATION (IN)
  YESTERDAY        0.00          0.40 2001   0.07  -0.07     0.00
  MONTH TO DATE    0.64                      1.34  -0.70     2.15
  SINCE MAR 1      1.39                      2.55  -1.16     6.73
  SINCE JAN 1      4.28                      6.07  -1.79    11.81

DEGREE DAYS
 HEATING
  YESTERDAY       30                        33     -3       29
  MONTH TO DATE  717                       704     13      774
  SINCE MAR 1   1891                      2006   -115     2147
  SINCE JUL 1   9455                      9943   -488    10200

 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    13   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     2.4


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    88           200 AM
 LOWEST     23           300 PM
 AVERAGE    56

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        56      2009
 MINIMUM TEMPERATURE (F)   21         2      2002


SUNRISE AND SUNSET
APRIL 21 2015.........SUNRISE   628 AM MDT   SUNSET   814 PM MDT
APRIL 22 2015.........SUNRISE   626 AM MDT   SUNSET   815 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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