431
CDUS45 KRIW 310045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT MAY 30 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 30 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 3:32 PM 90 2002 72 0 83
MINIMUM 52 4:43 AM 32 2011 44 8 52
AVERAGE 62 58 4 68
PRECIPITATION (IN)
TODAY 0.02 0.79 2022 0.05 -0.03 0.00
MONTH TO DATE 0.59 1.86 -1.27 1.14
SINCE MAR 1 1.16 3.71 -2.55 4.02
SINCE JAN 1 1.43 4.40 -2.97 4.52
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.8 0.9
SINCE MAR 1 8.4 18.2
SINCE JUL 1 16.4 30.7
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 3 8 -5 0
MONTH TO DATE 298 368 -70 319
SINCE MAR 1 1423 1927 -504 1809
SINCE JUL 1 5716 7805 -2089 7156
COOLING
TODAY 0 1 -1 3
MONTH TO DATE 23 2 21 6
SINCE MAR 1 23 2 21 6
SINCE JAN 1 23 2 21 6
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 12.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89
LOWEST 23
AVERAGE 56
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 86 1997
MINIMUM TEMPERATURE (F) 44 35 2024
SUNRISE AND SUNSET
MAY 30 2026...........SUNRISE 5:38 AM MDT SUNSET 8:45 PM MDT
MAY 31 2026...........SUNRISE 5:38 AM MDT SUNSET 8:46 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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