Climatological Report (Daily)
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CDUS45 KRIW 190739
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
139 AM MDT SUN APR 19 2015


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 18 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         50    302 PM  54    2001  44      6       40
  MINIMUM         20    555 AM -10    2013  20      0       25
  AVERAGE         35                        32      3       33

PRECIPITATION (IN)
  YESTERDAY        0.00          0.75 2014   0.06  -0.06     0.75
  MONTH TO DATE    0.64                      1.20  -0.56     2.15
  SINCE MAR 1      1.39                      2.41  -1.02     6.73
  SINCE JAN 1      4.28                      5.93  -1.65    11.81

DEGREE DAYS
 HEATING
  YESTERDAY       30                        33     -3       32
  MONTH TO DATE  653                       638     15      713
  SINCE MAR 1   1827                      1940   -113     2086
  SINCE JUL 1   9391                      9877   -486    10139

 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    14   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     3.5


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    92           400 AM
 LOWEST     24           200 PM
 AVERAGE    58

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        56      2010
 MINIMUM TEMPERATURE (F)   20         5      2006


SUNRISE AND SUNSET
APRIL 19 2015.........SUNRISE   631 AM MDT   SUNSET   811 PM MDT
APRIL 20 2015.........SUNRISE   630 AM MDT   SUNSET   812 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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