374
CDUS45 KRIW 240731
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SUN MAY 24 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 23 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 75 MM 84 2003 70 5 75
MINIMUM 38 MM 28 2002 42 -4 42
AVERAGE 57 56 1 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.63 0.06 -0.06 0.00
MONTH TO DATE 0.57 1.47 -0.90 1.09
SINCE MAR 1 1.14 3.32 -2.18 3.97
SINCE JAN 1 1.41 4.01 -2.60 4.47
SNOWFALL (IN)
YESTERDAY 0.0 T 2019 0.0
2020
2024
MONTH TO DATE 0.8 0.9
SINCE MAR 1 8.4 18.2
SINCE JUL 1 16.4 30.7
SNOW DEPTH 0.0
DEGREE DAYS
HEATING
YESTERDAY 8 10 -2 6
MONTH TO DATE 293 309 -16 280
SINCE MAR 1 1418 1868 -450 1770
SINCE JUL 1 5711 7746 -2035 7117
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 8 0 8 3
SINCE MAR 1 8 0 8 3
SINCE JAN 1 8 0 8 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 4:00 AM
LOWEST 12 4:00 PM
AVERAGE 47
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 81 2003
MINIMUM TEMPERATURE (F) 42 28 2002
SUNRISE AND SUNSET
MAY 24 2026...........SUNRISE 5:42 AM MDT SUNSET 8:40 PM MDT
MAY 25 2026...........SUNRISE 5:41 AM MDT SUNSET 8:41 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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