Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where outflow from Lake Powell was 9300 cfs

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

Wed, Mar 28, 2012 3635.22 15,445,693 10855 9300 71.1 46.0 53.0

Tue, Oct 06, 1992 3622.61 14,041,786 5871 9300 n/a 48.0 --

Thu, Oct 10, 1991 3628.11 14,642,277 6658 9300 87.0 54.0 --

Mon, Oct 07, 1991 3628.31 14,664,572 7041 9300 87.0 57.0 --

Sat, Jan 13, 1990 3657.07 18,112,038 5210 9300 58.0 29.0 --

Thu, May 21, 1981 3677.40 21,005,928 8112 9300 74.0 47.0 --

Wed, Dec 31, 1980 3681.28 21,602,374 9696 9300 54.0 30.0 --

Mon, Nov 28, 1966 3523.77 6,037,852 6076 9300 55.0 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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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