Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 6500.00 cfs

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

Tue, Nov 29, 1988 3682.10 21,565,714 7065 6500 50.0 28.0 --

Sun, May 09, 1982 3668.61 19,737,250 36751 6500 76.0 50.0 --

Fri, Apr 27, 1979 3644.89 16,746,757 42151 6500 84.0 49.0 --

Sun, Mar 07, 1976 3665.17 19,446,322 10841 6500 52.0 32.0 --

Sun, Oct 15, 1972 3603.77 12,368,789 8958 6500 71.0 57.0 --

Fri, Dec 31, 1965 3534.63 6,755,838 11460 6500 47.0 29.0 --

Fri, Feb 26, 1965 3491.59 4,202,459 11036 6500 61.0 30.0 --

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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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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