952
CDUS45 KRIW 100045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT MAY 09 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 9 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 61 12:51 PM 81 2012 64 -3 77
MINIMUM 44 4:26 AM 19 2002 37 7 45
AVERAGE 53 51 2 61
PRECIPITATION (IN)
TODAY T 0.28 2017 0.06 -0.06 0.00
MONTH TO DATE 0.09 0.55 -0.46 0.53
SINCE MAR 1 0.66 2.40 -1.74 3.41
SINCE JAN 1 0.93 3.09 -2.16 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 12 14 -2 4
MONTH TO DATE 128 144 -16 128
SINCE MAR 1 1253 1703 -450 1618
SINCE JUL 1 5546 7581 -2035 6965
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 11.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66
LOWEST 36
AVERAGE 51
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 81 2012
2025
MINIMUM TEMPERATURE (F) 38 26 2006
SUNRISE AND SUNSET
MAY 9 2026...........SUNRISE 5:57 AM MDT SUNSET 8:24 PM MDT
MAY 10 2026...........SUNRISE 5:56 AM MDT SUNSET 8:25 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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