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CDUS45 KRIW 010728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON JUN 01 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 31 2026
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)
YESTERDAY
MAXIMUM 74 MM 86 1997 73 1 83
MINIMUM 48 MM 35 2024 44 4 47
AVERAGE 61 58 3 65
PRECIPITATION (IN)
YESTERDAY T 0.48 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)
YESTERDAY 0.0 0.0 2021 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 0
DEGREE DAYS
HEATING
YESTERDAY 4 7 -3 0
MONTH TO DATE 302 375 -73 319
SINCE MAR 1 1427 1934 -507 1809
SINCE JUL 1 5720 7812 -2092 7156
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 16.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 5:00 AM
LOWEST 14 4:00 PM
AVERAGE 38
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 2025
MINIMUM TEMPERATURE (F) 45 36 2004
2022
SUNRISE AND SUNSET
JUNE 1 2026..........SUNRISE 5:37 AM MDT SUNSET 8:47 PM MDT
JUNE 2 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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