114
CDUS45 KRIW 010728
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON JUN 01 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 31 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 67 MM 90 2002 69 -2 83
MINIMUM 41 MM 26 1978 43 -2 50
AVERAGE 54 56 -2
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 1971 0.04 -0.04 0.00
MONTH TO DATE 0.40 1.27 -0.87 0.34
SINCE MAR 1 1.68 2.76 -1.08 2.05
SINCE JAN 1 1.84 3.51 -1.67 2.31
DEGREE DAYS
HEATING
YESTERDAY 11 9 2 0
MONTH TO DATE 402 442 -40 350
SINCE MAR 1 1664 2115 -451 1781
SINCE JUL 1 6046 7905 -1859 7002
COOLING
YESTERDAY 0 0 0 2
MONTH TO DATE 2 2 0 4
SINCE MAR 1 2 2 0 4
SINCE JAN 1 2 2 0 4
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 15.9
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 89 2:00 AM
LOWEST 17 4:00 PM
AVERAGE 53
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 86 2025
MINIMUM TEMPERATURE (F) 43 28 1951
SUNRISE AND SUNSET
JUNE 1 2026..........SUNRISE 5:44 AM MDT SUNSET 8:44 PM MDT
JUNE 2 2026..........SUNRISE 5:44 AM MDT SUNSET 8:45 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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