282
CDUS45 KRIW 300734
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT WED SEP 30 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 29 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 67 3:21 PM 85 2024 65 2 70
MINIMUM 42 7:23 AM 18 1985 39 3 42
AVERAGE 55 52 3
PRECIPITATION (IN)
YESTERDAY 0.00 0.72 1965 0.03 -0.03 T
MONTH TO DATE 0.31 0.76 -0.45 0.49
SINCE SEP 1 0.31 0.76 -0.45 0.49
SINCE JAN 1 3.36 6.00 -2.64 3.43
DEGREE DAYS
HEATING
YESTERDAY 10 13 -3 9
MONTH TO DATE 125 228 -103 157
SINCE SEP 1 125 228 -103 157
SINCE JUL 1 139 287 -148 175
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 21 8 13 19
SINCE SEP 1 21 8 13 19
SINCE JAN 1 558 317 241 441
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 7:00 AM
LOWEST 26 5:00 PM
AVERAGE 61
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 80 1980
MINIMUM TEMPERATURE (F) 39 15 1985
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 7:12 AM MDT SUNSET 6:59 PM MDT
OCTOBER 1 2026.......SUNRISE 7:13 AM MDT SUNSET 6:58 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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