Climatological Report (Daily)
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CDUS45 KRIW 220735
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT WED MAY 22 2013


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 21 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         55    340 PM  68    2012  53      2       68
  MINIMUM         27    452 AM  17    2001  30     -3       28
  AVERAGE         41                        41      0       48

PRECIPITATION (IN)
  YESTERDAY        0.00          0.72 2008   0.07  -0.07     0.00
  MONTH TO DATE    1.14                      1.47  -0.33     0.84
  SINCE MAR 1      5.76                      4.76   1.00     5.75
  SINCE JAN 1      8.10                      8.28  -0.18    10.64

DEGREE DAYS
 HEATING
  YESTERDAY       24                        24      0       17
  MONTH TO DATE  533                       555    -22      114
  SINCE MAR 1   3095                      2869    226      114
  SINCE JUL 1  10962                     10806    156     7988

 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     7   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     0.9


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   100          1200 AM
 LOWEST     44           200 PM
 AVERAGE    72

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   53        64      2001
 MINIMUM TEMPERATURE (F)   30        24      2010
                                             2009


SUNRISE AND SUNSET
MAY 22 2013...........SUNRISE   547 AM MDT   SUNSET   851 PM MDT
MAY 23 2013...........SUNRISE   546 AM MDT   SUNSET   852 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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