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 inflow into Lake Powell was 6743.00 cfs

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

Sat, Sep 07, 2019 3617.83 13,534,610 6743 11571 98.0 73.0 78.0

Fri, Jul 05, 2013 3599.23 11,676,771 6743 14213 98.1 77.0 80.0

Tue, Feb 15, 2011 3617.24 13,472,879 6743 18117 57.0 33.1 45.0

Wed, Dec 28, 1994 3650.25 17,246,856 6743 11000 55.0 32.0 --

Wed, Oct 28, 1992 3621.21 13,891,849 6743 8370 n/a 52.0 --

Fri, Mar 06, 1981 3678.20 21,121,640 6743 7780 57.0 38.0 --

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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