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 outflow from Lake Powell was 8680 cfs

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

Wed, Feb 08, 2023 3522.67 5,411,777 6893 8680 52.3 34.5 44.0

Fri, Nov 18, 1994 3652.90 17,579,388 7208 8680 49.0 36.0 --

Fri, Oct 08, 1993 3662.39 18,807,536 7148 8680 73.0 48.0 --

Sun, Mar 21, 1993 3614.21 13,158,737 17909 8680 72.0 42.0 --

Sun, Apr 30, 1978 3626.85 14,667,644 18174 8680 72.0 53.0 --

Tue, Jul 05, 1977 3653.28 17,850,202 4922 8680 91.0 67.0 --

Sat, Sep 16, 1967 3529.25 6,378,304 10383 8680 87.0 59.0 --

Sun, Nov 27, 1966 3523.95 6,049,145 6421 8680 53.0 33.0 --

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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