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CDUS45 KRIW 200733
CLIRKS


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT WED SEP 20 2017


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

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         53   1200 AM  86    2010  69    -16       81
  MINIMUM         33   1152 PM  21    1965  41     -8       51
  AVERAGE         43                        55    -12       66

PRECIPITATION (IN)
  YESTERDAY        0.19          0.87 1950   0.03   0.16     0.00
  MONTH TO DATE    0.40                      0.56  -0.16     0.36
  SINCE SEP 1      0.40                      0.56  -0.16     0.36
  SINCE JAN 1      4.78                      6.34  -1.56     5.53

DEGREE DAYS
 HEATING
  YESTERDAY       22                        10     12        0
  MONTH TO DATE   96                       126    -30      121
  SINCE SEP 1     96                       126    -30      121
  SINCE JUL 1    113                       190    -77      180

 COOLING
  YESTERDAY        0                         0      0        1
  MONTH TO DATE   26                         7     19       12
  SINCE SEP 1     26                         7     19       12
  SINCE JAN 1    394                       284    110      354
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    13.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 AM
 LOWEST     58           500 PM
 AVERAGE    75

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


THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        81      1966
 MINIMUM TEMPERATURE (F)   41        19      1965


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   702 AM MDT   SUNSET   716 PM MDT
SEPTEMBER 21 2017.....SUNRISE   703 AM MDT   SUNSET   715 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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