405
CDUS45 KRIW 310727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST SAT JAN 31 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JANUARY 30 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 43 3:09 PM 49 2018 30 13 36
MINIMUM 18 7:44 AM -19 2023 14 4 16
AVERAGE 31 22 9
PRECIPITATION (IN)
YESTERDAY 0.00 0.48 1963 0.02 -0.02 0.00
MONTH TO DATE 0.03 0.37 -0.34 0.04
SINCE DEC 1 0.13 0.68 -0.55 0.22
SINCE JAN 1 0.03 0.37 -0.34 0.04
DEGREE DAYS
HEATING
YESTERDAY 34 43 -9 39
MONTH TO DATE 1104 1302 -198 1383
SINCE DEC 1 2009 2652 -643 2547
SINCE JUL 1 3501 4606 -1105 4185
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 16.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 7:00 AM
LOWEST 41 3:00 PM
AVERAGE 63
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 53 1971
2003
MINIMUM TEMPERATURE (F) 14 -22 1985
SUNRISE AND SUNSET
JANUARY 31 2026.......SUNRISE 7:29 AM MST SUNSET 5:31 PM MST
FEBRUARY 1 2026......SUNRISE 7:28 AM MST SUNSET 5:32 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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