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 inflow into Lake Powell was 7391.00 cfs

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

Wed, Oct 04, 2023 3573.42 8,778,424 7391 7836 71.1 45.1 73.0

Wed, Jan 03, 2018 3622.52 14,032,101 7391 14266 45.0 28.0 51.0

Fri, Oct 01, 2010 3633.61 15,261,077 7391 8008 90.0 62.1 73.0

Tue, Sep 06, 1994 3656.29 18,011,384 7391 11600 92.0 66.0 --

Tue, Oct 30, 1990 3637.41 15,699,550 7391 7130 73.0 48.0 --

Tue, Oct 07, 1980 3687.22 22,488,554 7391 16400 84.0 50.0 --

Tue, Sep 26, 1978 3640.71 16,267,625 7391 16100 85.0 60.0 --

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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