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 7546.00 cfs

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

Sat, Oct 16, 2010 3634.23 15,331,985 7546 8034 79.0 55.0 70.0

Sun, Mar 14, 2010 3620.01 13,764,294 7546 8961 44.1 30.9 50.0

Thu, Apr 02, 2009 3610.35 12,765,563 7546 10386 68.0 35.1 51.0

Sun, Jul 15, 2001 3671.54 20,052,276 7546 9207 91.9 64.9 --

Fri, Mar 20, 1992 3619.46 13,706,026 7546 10200 61.0 40.0 --

Mon, Sep 08, 1980 3689.39 22,818,974 7546 19300 90.0 61.0 --

Fri, Sep 24, 1976 3664.51 19,356,648 7546 15900 72.0 59.0 --

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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