943
CDUS45 KRIW 080728
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON SEP 08 2025
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 7 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 1:01 PM 93 2022 74 5 83
MINIMUM 50 9:51 PM 29 2020 47 3 50
AVERAGE 65 61 4
PRECIPITATION (IN)
YESTERDAY 0.06 0.73 1971 0.02 0.04 0.00
MONTH TO DATE 0.06 0.15 -0.09 0.24
SINCE SEP 1 0.06 0.15 -0.09 0.24
SINCE JAN 1 3.00 5.39 -2.39 4.47
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 6 29 -23 9
SINCE SEP 1 6 29 -23 9
SINCE JUL 1 24 88 -64 40
COOLING
YESTERDAY 0 1 -1 2
MONTH TO DATE 15 7 8 17
SINCE SEP 1 15 7 8 17
SINCE JAN 1 437 316 121 424
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WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 9:00 PM
LOWEST 22 2:00 PM
AVERAGE 53
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 88 2022
MINIMUM TEMPERATURE (F) 47 24 2020
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:50 AM MDT SUNSET 7:37 PM MDT
SEPTEMBER 9 2025.....SUNRISE 6:51 AM MDT SUNSET 7:35 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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