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 inflow into Lake Powell was 6105 cfs

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

Mon, Jan 28, 2008 3590.81 10,893,997 6105 13131 48.9 28.9 46.0

Wed, Jul 18, 2007 3609.17 12,646,928 6105 13514 100.0 75.9 80.0

Sun, Mar 04, 2001 3663.90 19,008,696 6105 9576 54.0 35.1 --

Mon, Feb 26, 2001 3664.13 19,039,482 6105 11745 43.0 37.0 --

Mon, Nov 27, 1989 3661.69 18,715,228 6105 11500 62.0 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