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 7330 cfs

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

Sat, Oct 05, 1991 3628.42 14,676,821 7331 7330 83.0 55.0 --

Sun, Apr 07, 1991 3627.42 14,566,191 6432 7330 78.0 51.0 --

Sun, Nov 19, 1989 3662.11 18,770,644 6303 7330 60.0 32.0 --

Fri, Oct 09, 1987 3687.56 22,380,568 8140 7330 88.0 54.0 --

Tue, Apr 22, 1975 3646.59 17,062,460 13939 7330 75.0 54.0 --

Wed, Oct 19, 1966 3528.07 6,312,062 9682 7330 71.0 43.0 --

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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