090
CDUS45 KRIW 260729
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT TUE MAY 26 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 25 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 76 2:07 PM 82 2003 67 9 70
MINIMUM 42 4:24 AM 26 1975 41 1 39
AVERAGE 59 54 5
PRECIPITATION (IN)
YESTERDAY T 0.62 1962 0.03 -0.03 T
MONTH TO DATE 0.34 1.04 -0.70 0.32
SINCE MAR 1 1.62 2.53 -0.91 2.03
SINCE JAN 1 1.78 3.28 -1.50 2.29
DEGREE DAYS
HEATING
YESTERDAY 6 11 -5 10
MONTH TO DATE 369 382 -13 325
SINCE MAR 1 1631 2055 -424 1756
SINCE JUL 1 6013 7845 -1832 6977
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 1
SINCE MAR 1 2 0 2 1
SINCE JAN 1 2 0 2 1
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WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 5:00 AM
LOWEST 19 3:00 PM
AVERAGE 46
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 1969
MINIMUM TEMPERATURE (F) 42 25 1975
SUNRISE AND SUNSET
MAY 26 2026...........SUNRISE 5:48 AM MDT SUNSET 8:39 PM MDT
MAY 27 2026...........SUNRISE 5:47 AM MDT SUNSET 8:40 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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