491
CDUS45 KRIW 210727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST WED JAN 21 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JANUARY 20 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 40 2:28 PM 51 2005 30 10 6
MINIMUM 21 11:59 PM -12 1962 14 7 -11
AVERAGE 31 22 9
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 1962 0.01 -0.01 MM
MONTH TO DATE 0.03 0.24 -0.21 0.04
SINCE DEC 1 0.13 0.55 -0.42 0.22
SINCE JAN 1 0.03 0.24 -0.21 0.04
DEGREE DAYS
HEATING
YESTERDAY 34 43 -9 67
MONTH TO DATE 692 872 -180 902
SINCE DEC 1 1597 2222 -625 2066
SINCE JUL 1 3089 4176 -1087 3704
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 41 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 20.1
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 60 11:00 PM
LOWEST 28 4:00 PM
AVERAGE 44
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 46 1981
2009
MINIMUM TEMPERATURE (F) 14 -19 1962
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 7:37 AM MST SUNSET 5:18 PM MST
JANUARY 22 2026.......SUNRISE 7:36 AM MST SUNSET 5:20 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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