034
CDUS45 KRIW 130045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE MAY 12 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 12 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 80 4:59 PM 87 2007 65 15 84
MINIMUM 52 5:18 AM 29 2004 38 14 52
2014
AVERAGE 66 52 14 68
PRECIPITATION (IN)
TODAY 0.00 0.34 2018 0.07 -0.07 0.00
MONTH TO DATE 0.09 0.75 -0.66 0.53
SINCE MAR 1 0.66 2.60 -1.94 3.41
SINCE JAN 1 0.93 3.29 -2.36 3.91
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.5 0.9
SINCE MAR 1 8.1 18.2
SINCE JUL 1 16.1 30.7
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 13 -13 0
MONTH TO DATE 141 185 -44 133
SINCE MAR 1 1266 1744 -478 1623
SINCE JUL 1 5559 7622 -2063 6970
COOLING
TODAY 1 0 1 3
MONTH TO DATE 4 0 4 3
SINCE MAR 1 4 0 4 3
SINCE JAN 1 4 0 4 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 49
LOWEST 15
AVERAGE 32
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 2013
MINIMUM TEMPERATURE (F) 39 26 2014
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 5:54 AM MDT SUNSET 8:27 PM MDT
MAY 13 2026...........SUNRISE 5:52 AM MDT SUNSET 8:29 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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