084
CDUS45 KRIW 290729
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON SEP 29 2025
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 28 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 72 3:22 PM 85 2024 65 7 85
MINIMUM 52 11:59 PM 20 1985 39 13 45
AVERAGE 62 52 10
PRECIPITATION (IN)
YESTERDAY 0.00 0.32 2014 0.03 -0.03 0.00
MONTH TO DATE 0.49 0.73 -0.24 0.39
SINCE SEP 1 0.49 0.73 -0.24 0.39
SINCE JAN 1 3.43 5.97 -2.54 4.62
DEGREE DAYS
HEATING
YESTERDAY 3 13 -10 0
MONTH TO DATE 148 215 -67 123
SINCE SEP 1 148 215 -67 123
SINCE JUL 1 166 274 -108 154
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 19 8 11 35
SINCE SEP 1 19 8 11 35
SINCE JAN 1 441 317 124 442
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 11:00 PM
LOWEST 32 4:00 PM
AVERAGE 48
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 85 2024
MINIMUM TEMPERATURE (F) 39 18 1985
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 7:11 AM MDT SUNSET 7:01 PM MDT
SEPTEMBER 30 2025.....SUNRISE 7:12 AM MDT SUNSET 6:59 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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