684
CDUS45 KRIW 310730
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN MAY 31 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 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 55 12:59 PM 87 2002 69 -14 82
MINIMUM 42 8:38 AM 29 1979 43 -1 50
AVERAGE 49 56 -7
PRECIPITATION (IN)
YESTERDAY 0.06 1.71 1971 0.03 0.03 0.00
MONTH TO DATE 0.40 1.23 -0.83 0.34
SINCE MAR 1 1.68 2.72 -1.04 2.05
SINCE JAN 1 1.84 3.47 -1.63 2.31
DEGREE DAYS
HEATING
YESTERDAY 16 10 6 0
MONTH TO DATE 391 433 -42 350
SINCE MAR 1 1653 2106 -453 1781
SINCE JUL 1 6035 7896 -1861 7002
COOLING
YESTERDAY 0 0 0 1
MONTH TO DATE 2 0 2 2
SINCE MAR 1 2 0 2 2
SINCE JAN 1 2 0 2 2
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 16.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 53 1:00 PM
AVERAGE 75
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 2002
MINIMUM TEMPERATURE (F) 43 26 1978
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 5:45 AM MDT SUNSET 8:43 PM MDT
JUNE 1 2026..........SUNRISE 5:44 AM MDT SUNSET 8:44 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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