839
CDUS45 KRIW 220732
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT FRI MAY 22 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 21 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 52 11:11 AM 83 2012 65 -13 64
MINIMUM 31 11:59 PM 22 2022 40 -9 38
AVERAGE 42 53 -11
PRECIPITATION (IN)
YESTERDAY 0.20 0.40 1992 0.04 0.16 0.01
MONTH TO DATE 0.34 0.89 -0.55 0.32
SINCE MAR 1 1.62 2.38 -0.76 2.03
SINCE JAN 1 1.78 3.13 -1.35 2.29
DEGREE DAYS
HEATING
YESTERDAY 23 12 11 14
MONTH TO DATE 325 336 -11 291
SINCE MAR 1 1587 2009 -422 1722
SINCE JUL 1 5969 7799 -1830 6943
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 PM
LOWEST 38 12:00 AM
AVERAGE 67
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 81 1967
MINIMUM TEMPERATURE (F) 41 26 1974
SUNRISE AND SUNSET
MAY 22 2026...........SUNRISE 5:51 AM MDT SUNSET 8:36 PM MDT
MAY 23 2026...........SUNRISE 5:50 AM MDT SUNSET 8:37 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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