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 inflow into Lake Powell was 6430 cfs

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

Sat, Sep 07, 1996 3681.44 21,468,564 6430 13500 85.0 57.0 --

Sun, Oct 08, 1989 3664.80 19,129,606 6430 4920 79.0 48.0 --

Sat, Jul 08, 1989 3676.60 20,766,814 6430 15700 109.0 68.0 --

Fri, Aug 21, 1981 3674.77 20,629,682 6430 16000 95.0 60.0 --

Sun, Oct 01, 1972 3603.41 12,332,967 6430 6680 86.0 56.0 --

Sat, Aug 26, 1972 3609.95 12,992,919 6430 11900 81.0 61.0 --

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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