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 9340.00 cfs

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

Sat, Mar 12, 2022 3525.28 5,943,786 6111 9340 56.0 29.0 46.0

Tue, Oct 26, 1993 3662.36 18,803,586 9961 9340 72.0 50.0 --

Thu, Dec 29, 1988 3679.85 21,236,264 5937 9340 50.0 16.0 --

Thu, Jun 16, 1988 3691.42 22,970,668 26127 9340 98.0 56.0 --

Thu, Mar 11, 1982 3663.36 19,025,048 9946 9340 58.0 39.0 --

Sat, Jan 07, 1967 3519.92 5,788,852 6343 9340 38.0 15.0 --

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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