Climatological Report (Daily)
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CDUS45 KRIW 220744
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
143 AM MDT WED MAY 22 2019


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 21 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         MM        MM  68    2012  53     MM       60
  MINIMUM         MM        MM  17    2001  30     MM       31
  AVERAGE         MM                        41     MM       46

PRECIPITATION (IN)
  YESTERDAY       MM             0.72 2008   0.07  MM        0.00
  MONTH TO DATE    0.42                      1.47  -1.05     0.66
  SINCE MAR 1      5.06                      4.76   0.30     6.33
  SINCE JAN 1      9.66                      8.28   1.38    11.80

DEGREE DAYS
 HEATING
  YESTERDAY       MM                        24     MM       19
  MONTH TO DATE  415                       555   -140      508
  SINCE MAR 1   2786                      2869    -83     2971
  SINCE JUL 1  10923                     10806    117    10950

 COOLING
  YESTERDAY       MM                         0     MM        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    MM   HIGHEST WIND DIRECTION    MM
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    MM


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER  MM


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM
 LOWEST     MM
 AVERAGE    MM

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


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 2019...........SUNRISE   547 AM MDT   SUNSET   850 PM MDT
MAY 23 2019...........SUNRISE   546 AM MDT   SUNSET   851 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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