Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 310045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT AUG 30 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 30 2025...
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 78 2:28 PM 92 1999 81 -3 83
2008
2013
MINIMUM 52 5:44 AM 42 2020 50 2 45
AVERAGE 65 66 -1 64
PRECIPITATION (IN)
TODAY 0.02 0.60 2003 0.02 0.00 0.00
MONTH TO DATE 0.52 0.41 0.11 0.32
SINCE JUN 1 1.73 1.89 -0.16 0.79
SINCE JAN 1 6.25 6.35 -0.10 5.43
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.0 0.0
SINCE JUN 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 1
MONTH TO DATE 3 22 -19 11
SINCE JUN 1 81 147 -66 51
SINCE JUL 1 3 32 -29 18
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 182 167 15 183
SINCE JUN 1 567 458 109 538
SINCE JAN 1 573 466 107 538
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 31
AVERAGE 64
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 92 1996
2011
2022
MINIMUM TEMPERATURE (F) 50 36 2020
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 6:36 AM MDT SUNSET 7:51 PM MDT
AUGUST 31 2025........SUNRISE 6:38 AM MDT SUNSET 7:50 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$