Climatological Report (Daily)
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CDUS45 KRIW 200744
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU JUL 20 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 19 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         80    221 PM  82    2007  73      7       79
  MINIMUM         46   1159 PM  34    2015  40      6       41
                                      2008
  AVERAGE         63                        57      6       60

PRECIPITATION (IN)
  YESTERDAY        0.00          0.21 2009   0.04  -0.04     0.00
  MONTH TO DATE    0.33                      0.86  -0.53     0.81
  SINCE JUN 1      2.31                      2.86  -0.55     1.76
  SINCE JAN 1     19.52                     11.94   7.58    10.82

DEGREE DAYS
 HEATING
  YESTERDAY        2                         8     -6        5
  MONTH TO DATE  116                       187    -71      240
  SINCE JUN 1    612                       680    -68      608
  SINCE JUL 1    116                       187    -71      240

 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    10   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     3.1


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    86           300 AM
 LOWEST     14           300 PM
 AVERAGE    50

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        84      2003
 MINIMUM TEMPERATURE (F)   41        33      2010


SUNRISE AND SUNSET
JULY 20 2017..........SUNRISE   556 AM MDT   SUNSET   900 PM MDT
JULY 21 2017..........SUNRISE   557 AM MDT   SUNSET   859 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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