Climatological Report (Daily)
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CDUS45 KRIW 220735
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT FRI MAY 22 2015


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 21 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         54    214 PM  68    2012  53      1       60
  MINIMUM         32   1159 PM  17    2001  30      2       28
  AVERAGE         43                        41      2       44

PRECIPITATION (IN)
  YESTERDAY        0.01          0.72 2008   0.07  -0.06     0.00
  MONTH TO DATE    1.95                      1.47   0.48     1.36
  SINCE MAR 1      3.69                      4.76  -1.07     9.72
  SINCE JAN 1      6.58                      8.28  -1.70    14.80

DEGREE DAYS
 HEATING
  YESTERDAY       22                        24     -2       21
  MONTH TO DATE  501                       555    -54      590
  SINCE MAR 1   2663                      2869   -206     3077
  SINCE JUL 1  10227                     10806   -579    11130

 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 (80)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     1.8


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           500 AM
 LOWEST     48          1200 PM
 AVERAGE    70

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


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 2015...........SUNRISE   547 AM MDT   SUNSET   850 PM MDT
MAY 23 2015...........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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