Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where outflow from Lake Powell was 7890.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP

Sun, Feb 24, 1991 3629.18 14,761,562 7343 7890 63.0 36.0 --

Sat, Feb 25, 1989 3674.62 20,485,056 6949 7890 67.0 42.0 --

Sun, May 23, 1982 3672.14 20,227,336 23302 7890 85.0 57.0 --

Sat, Oct 10, 1981 3672.46 20,303,124 10449 7890 79.0 54.0 --

Thu, Feb 19, 1970 3569.40 9,286,906 11046 7890 52.0 35.0 --

Sat, Jul 10, 1965 3519.97 5,810,743 45126 7890 99.0 69.0 --

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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Acre Feet per day
Outflow - Acre Feet per day
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = * Flow CFS
TP = Total Precipitation

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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*Air temp data is sourced from (Prev 24 Hr Extremes): Weather
Weather forecast for
All data is provisional and subject to review and modification
USBR Source Data