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 3510.00 cfs

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

Sun, Oct 15, 1978 3638.87 16,048,587 5298 3510 80.0 51.0 --

Sun, Dec 04, 1977 3634.45 15,555,592 5549 3510 69.0 45.0 --

Sun, Sep 30, 1973 3646.02 17,044,920 9984 3510 84.0 56.0 --

Sun, Nov 08, 1970 3600.35 12,070,074 11359 3510 59.0 41.0 --

Sun, Oct 22, 1967 3528.28 6,315,388 8173 3510 78.0 50.0 --

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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