Climatological Report (Daily)
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CDUS45 KRIW 220735
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT TUE AUG 22 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69    500 PM  82    2009  71     -2       76
  MINIMUM         36    558 AM  32    2000  38     -2       33
  AVERAGE         53                        55     -2       55

PRECIPITATION (IN)
  YESTERDAY        0.00          0.64 2004   0.05  -0.05     0.00
  MONTH TO DATE    0.77                      0.97  -0.20     0.18
  SINCE JUN 1      4.55                      4.44   0.11     2.04
  SINCE JAN 1     21.76                     13.52   8.24    11.10

DEGREE DAYS
 HEATING
  YESTERDAY       12                        10      2       10
  MONTH TO DATE  235                       186     49      148
  SINCE JUN 1    957                       962     -5      824
  SINCE JUL 1    461                       469     -8      456

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     1.9


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           500 AM
 LOWEST     32           600 PM
 AVERAGE    66

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        83      2009
 MINIMUM TEMPERATURE (F)   38        27      2008


SUNRISE AND SUNSET
AUGUST 22 2017........SUNRISE   633 AM MDT   SUNSET   815 PM MDT
AUGUST 23 2017........SUNRISE   634 AM MDT   SUNSET   813 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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