878
CDUS45 KRIW 120045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON MAY 11 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 11 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 86R 1:51 PM 83 2007 65 21 80
MINIMUM 49 4:28 AM 24 1999 38 11 46
AVERAGE 68 51 17 63
PRECIPITATION (IN)
TODAY 0.00 1.50 2010 0.06 -0.06 T
MONTH TO DATE 0.09 0.68 -0.59 0.53
SINCE MAR 1 0.66 2.53 -1.87 3.41
SINCE JAN 1 0.93 3.22 -2.29 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 14 -14 2
MONTH TO DATE 141 172 -31 133
SINCE MAR 1 1266 1731 -465 1623
SINCE JUL 1 5559 7609 -2050 6970
COOLING
TODAY 3 0 3 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 3 0 3 0
SINCE JAN 1 3 0 3 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 36
LOWEST 7
AVERAGE 22
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 87 2007
MINIMUM TEMPERATURE (F) 38 29 2004
2014
SUNRISE AND SUNSET
MAY 11 2026...........SUNRISE 5:55 AM MDT SUNSET 8:26 PM MDT
MAY 12 2026...........SUNRISE 5:54 AM MDT SUNSET 8:27 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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