446
CDUS45 KRIW 170727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN MAY 17 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 16 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 69 12:31 PM 81 1988 63 6 60
MINIMUM 39 5:27 AM 24 1955 39 0 30
AVERAGE 54 51 3
PRECIPITATION (IN)
YESTERDAY 0.00 0.55 1981 0.05 -0.05 0.00
MONTH TO DATE 0.08 0.67 -0.59 0.23
SINCE MAR 1 1.36 2.16 -0.80 1.94
SINCE JAN 1 1.52 2.91 -1.39 2.20
DEGREE DAYS
HEATING
YESTERDAY 11 14 -3 20
MONTH TO DATE 196 271 -75 205
SINCE MAR 1 1458 1944 -486 1636
SINCE JUL 1 5840 7734 -1894 6857
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 1
SINCE MAR 1 2 0 2 1
SINCE JAN 1 2 0 2 1
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WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 9.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 6:00 AM
LOWEST 16 12:00 PM
AVERAGE 30
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 82 1973
MINIMUM TEMPERATURE (F) 39 26 1986
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:55 AM MDT SUNSET 8:31 PM MDT
MAY 18 2026...........SUNRISE 5:54 AM MDT SUNSET 8:32 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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