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 2940 cfs

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

Sun, Apr 18, 1982 3664.00 19,110,428 18935 2940 75.0 40.0 --

Sun, Mar 19, 1978 3622.88 14,230,534 7749 2940 68.0 51.0 --

Tue, May 24, 1977 3653.81 17,917,958 8481 2940 80.0 65.0 --

Tue, Apr 26, 1977 3652.46 17,745,576 5966 2940 89.0 55.0 --

Mon, Sep 07, 1964 3490.20 4,136,398 4132 2940 92.0 65.0 --

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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