987
CDUS45 KRIW 210727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI AUG 21 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 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 92 2:52 PM 95 2025 81 11 95
MINIMUM 57 6:35 AM 36 1964 52 5 54
2016
AVERAGE 75 66 9
PRECIPITATION (IN)
YESTERDAY T 0.30 1979 0.02 -0.02 0.00
MONTH TO DATE 0.50 0.36 0.14 0.03
SINCE JUN 1 0.86 1.53 -0.67 0.43
SINCE JAN 1 2.70 5.04 -2.34 2.74
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 11 -10 10
SINCE JUN 1 112 191 -79 79
SINCE JUL 1 5 32 -27 10
COOLING
YESTERDAY 10 3 7 10
MONTH TO DATE 136 89 47 106
SINCE JUN 1 481 287 194 388
SINCE JAN 1 483 289 194 392
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WIND (MPH)
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 63 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.5
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 39 7:00 AM
LOWEST 15 2:00 PM
AVERAGE 27
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 92 2003
MINIMUM TEMPERATURE (F) 52 34 1966
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:31 AM MDT SUNSET 8:07 PM MDT
AUGUST 22 2026........SUNRISE 6:32 AM MDT SUNSET 8:05 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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