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 7690 cfs

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

Sat, Mar 28, 2015 3591.04 10,914,916 7690 10942 82.0 51.0 57.0

Mon, Nov 03, 2008 3623.62 14,150,670 7690 10369 66.9 44.1 63.0

Wed, Jan 04, 2006 3597.83 11,544,237 7690 13700 52.0 33.1 50.0

Mon, Feb 08, 1999 3680.08 21,269,722 7690 14611 54.0 32.0 --

Mon, Aug 24, 1987 3692.35 23,114,266 7690 22800 91.0 64.0 --

Wed, Sep 10, 1980 3689.44 22,826,604 7690 18700 77.0 53.0 --

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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