Climatological Report (Daily)
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CDUS45 KRIW 220735
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1234 AM MST WED FEB 22 2017


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 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         34    111 PM  38    2012  29      5       31
  MINIMUM         20   1159 PM -21    2010   3     17       -8
  AVERAGE         27                        16     11       12

PRECIPITATION (IN)
  YESTERDAY        0.65R         0.45 2007   0.06   0.59     0.00
  MONTH TO DATE    7.10                      1.05   6.05     1.22
  SINCE DEC 1     12.89                      4.66   8.23     5.47
  SINCE JAN 1      9.79                      3.16   6.63     2.43

DEGREE DAYS
 HEATING
  YESTERDAY       38                        49    -11       53
  MONTH TO DATE  935                      1070   -135      937
  SINCE DEC 1   4523                      4281    242     4078
  SINCE JUL 1   7667                      7601     66     7406

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


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     72           200 PM
 AVERAGE    86

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        41      2012
 MINIMUM TEMPERATURE (F)    3       -23      2010


SUNRISE AND SUNSET
FEBRUARY 22 2017......SUNRISE   710 AM MST   SUNSET   601 PM MST
FEBRUARY 23 2017......SUNRISE   709 AM MST   SUNSET   602 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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