687
CDUS45 KRIW 290728
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT AUG 29 2026
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..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 28 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 85 3:30 PM 89 1974 78 7 75
MINIMUM 55 5:16 AM 38 1977 50 5 51
AVERAGE 70 64 6
PRECIPITATION (IN)
YESTERDAY 0.00 0.27 1958 0.02 -0.02 T
MONTH TO DATE 0.50 0.50 -0.00 0.23
SINCE JUN 1 0.86 1.67 -0.81 0.63
SINCE JAN 1 2.70 5.18 -2.48 2.94
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 2
MONTH TO DATE 1 26 -25 12
SINCE JUN 1 112 206 -94 81
SINCE JUL 1 5 47 -42 12
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 190 106 84 136
SINCE JUN 1 535 304 231 418
SINCE JAN 1 537 306 231 422
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WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 12.0
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 53 5:00 AM
LOWEST 22 3:00 PM
AVERAGE 38
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 90 1948
MINIMUM TEMPERATURE (F) 50 34 1964
SUNRISE AND SUNSET
AUGUST 29 2026........SUNRISE 6:39 AM MDT SUNSET 7:54 PM MDT
AUGUST 30 2026........SUNRISE 6:40 AM MDT SUNSET 7:52 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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