Lake Powell Water Database

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powell

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

Days where Lake Powell had 12,355,552 acre feet of water storage

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

Thu, Jan 23, 2020 3606.24 12,355,552 4470 10788 n/a n/a --

Sat, Nov 19, 2016 3606.24 12,355,552 7360 8425 n/a n/a --

Mon, Jun 06, 2016 3606.24 12,355,552 42877 13707 n/a n/a --

Sun, Oct 11, 2015 3606.24 12,355,552 9359 8812 n/a n/a --

Sat, Oct 10, 2015 3606.24 12,355,552 8115 9180 n/a n/a --

Mon, Sep 28, 2015 3606.24 12,355,552 6446 12619 n/a n/a --

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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