473
CDUS45 KRIW 100727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU SEP 10 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 9 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 3:31 PM 88 2021 74 4 78
MINIMUM 46 5:43 AM 22 1962 46 0 50
AVERAGE 62 60 2
PRECIPITATION (IN)
YESTERDAY 0.00 0.58 1961 0.03 -0.03 T
MONTH TO DATE 0.02 0.20 -0.18 0.06
SINCE SEP 1 0.02 0.20 -0.18 0.06
SINCE JAN 1 3.07 5.44 -2.37 3.00
DEGREE DAYS
HEATING
YESTERDAY 3 6 -3 1
MONTH TO DATE 8 40 -32 9
SINCE SEP 1 8 40 -32 9
SINCE JUL 1 22 99 -77 27
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 13 8 5 15
SINCE SEP 1 13 8 5 15
SINCE JAN 1 550 317 233 437
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 11.0
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 42 6:00 AM
LOWEST 11 6:00 PM
AVERAGE 27
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 87 2021
MINIMUM TEMPERATURE (F) 46 30 2020
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 6:52 AM MDT SUNSET 7:34 PM MDT
SEPTEMBER 11 2026.....SUNRISE 6:53 AM MDT SUNSET 7:32 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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