579
CDUS45 KRIW 310731
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT FRI JUL 31 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JULY 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 87 1:47 PM 95 1966 85 2 85
MINIMUM 54 5:23 AM 40 1950 56 -2 52
AVERAGE 71 71 0
PRECIPITATION (IN)
YESTERDAY 0.03 0.26 1965 0.02 0.01 0.05
MONTH TO DATE 0.12 0.45 -0.33 0.38
SINCE JUN 1 0.36 1.15 -0.79 0.40
SINCE JAN 1 2.20 4.66 -2.46 2.71
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 16 -12 0
SINCE JUN 1 111 175 -64 69
SINCE JUL 1 4 16 -12 0
COOLING
YESTERDAY 6 6 0 4
MONTH TO DATE 298 153 145 185
SINCE JUN 1 337 192 145 276
SINCE JAN 1 339 194 145 280
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 5:00 AM
LOWEST 20 2:00 PM
AVERAGE 52
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 94 1988
2003
MINIMUM TEMPERATURE (F) 56 42 1995
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 6:10 AM MDT SUNSET 8:35 PM MDT
AUGUST 1 2026........SUNRISE 6:11 AM MDT SUNSET 8:34 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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