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 8764 cfs

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

Sun, Sep 29, 1996 3679.37 21,166,462 8764 11300 78.0 51.0 --

Wed, Jan 19, 1994 3658.01 18,233,378 8764 14200 56.0 25.0 --

Thu, Oct 29, 1981 3671.99 20,236,700 8764 12400 69.0 52.0 --

Wed, Jan 14, 1981 3680.72 21,488,724 8764 9550 n/a n/a --

Tue, Oct 21, 1975 3666.50 19,657,334 8764 8020 75.0 51.0 --

Wed, Oct 09, 1968 3545.44 7,471,663 8764 9790 76.0 55.0 --

Sat, Jan 13, 1968 3526.40 6,184,613 8764 11000 31.0 10.0 --

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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