170
CDUS45 KRIW 010045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN MAY 31 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 31 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 74 2:33 PM 86 1997 73 1 83
MINIMUM 49 4:41 AM 35 2024 44 5 47
AVERAGE 62 58 4 65
PRECIPITATION (IN)
TODAY T 0.48 2022 0.06 -0.06 0.00
MONTH TO DATE 0.59 1.92 -1.33 1.14
SINCE MAR 1 1.16 3.77 -2.61 4.02
SINCE JAN 1 1.43 4.46 -3.03 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 7 -4 0
MONTH TO DATE 301 375 -74 319
SINCE MAR 1 1426 1934 -508 1809
SINCE JUL 1 5719 7812 -2093 7156
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 23 8 15 6
SINCE MAR 1 23 8 15 6
SINCE JAN 1 23 8 15 6
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 16.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61
LOWEST 14
AVERAGE 38
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 2025
MINIMUM TEMPERATURE (F) 45 36 2004
2022
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 5:38 AM MDT SUNSET 8:46 PM MDT
JUNE 1 2026..........SUNRISE 5:37 AM MDT SUNSET 8:47 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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