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 6982 cfs

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

Sun, Oct 03, 2021 3545.33 7,255,625 6982 6638 81.0 57.0 72.0

Wed, Oct 16, 2019 3614.05 13,142,288 6982 10324 78.0 47.0 65.0

Thu, Feb 08, 2007 3598.92 11,647,333 6982 11198 61.0 36.0 46.0

Fri, Oct 22, 2004 3570.49 9,146,741 6982 8268 57.0 43.0 66.0

Fri, Feb 01, 2002 3652.26 17,498,676 6982 11235 36.0 19.0 --

Fri, Feb 04, 1994 3656.82 18,079,592 6982 13100 46.0 31.0 --

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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