Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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057
CDUS45 KRIW 300732
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SAT AUG 30 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 29 2025...
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)
YESTERDAY
MAXIMUM 77 4:39 PM 96 2012 82 -5 76
MINIMUM 53 5:54 AM 43 2021 50 3 47
AVERAGE 65 66 -1 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 0.01 -0.01 0.00
MONTH TO DATE 0.50 0.39 0.11 0.32
SINCE JUN 1 1.71 1.87 -0.16 0.79
SINCE JAN 1 6.23 6.33 -0.10 5.43
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 3
MONTH TO DATE 3 20 -17 10
SINCE JUN 1 81 145 -64 50
SINCE JUL 1 3 30 -27 17
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 182 164 18 183
SINCE JUN 1 567 455 112 538
SINCE JAN 1 573 463 110 538
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 6:00 AM
LOWEST 28 4:00 PM
AVERAGE 56
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 92 1999
2008
2013
MINIMUM TEMPERATURE (F) 50 42 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.
$$