Climatological Report (Daily)
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CDUS45 KRIW 200742
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1240 AM MST TUE FEB 20 2018


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

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR FEBRUARY 19 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         11   1207 AM  55    1981  34    -23       43
  MINIMUM         -3   1159 PM  -5    2006  16    -19       28
  AVERAGE          4                        25    -21       36

PRECIPITATION (IN)
  YESTERDAY        0.07          0.17 1974   0.02   0.05      T
  MONTH TO DATE    0.11                      0.33  -0.22     0.15
  SINCE DEC 1      0.30                      1.28  -0.98     0.72
  SINCE JAN 1      0.19                      0.78  -0.59     0.64

DEGREE DAYS
 HEATING
  YESTERDAY       61                        40     21       29
  MONTH TO DATE  644                       800   -156      668
  SINCE DEC 1   2927                      3511   -584     3631
  SINCE JUL 1   4807                      5504   -697     5351

 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    29   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    16.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY SNOW
  SNOW
  LIGHT SNOW
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM
 LOWEST     65           600 PM
 AVERAGE    76

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        60      1977
 MINIMUM TEMPERATURE (F)   16        -9      1955


SUNRISE AND SUNSET
FEBRUARY 20 2018......SUNRISE   704 AM MST   SUNSET   556 PM MST
FEBRUARY 21 2018......SUNRISE   703 AM MST   SUNSET   557 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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