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 7008.00 cfs

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

Fri, Oct 14, 2022 3530.32 5,856,107 7008 7706 80.0 54.0 72.0

Sun, Oct 31, 2021 3544.25 7,180,773 7008 7419 70.0 50.0 62.0

Sat, Apr 11, 2009 3609.92 12,722,249 7008 9858 57.9 45.0 52.0

Sat, Aug 27, 2005 3603.46 12,083,265 7008 14338 96.1 69.1 80.0

Fri, Aug 19, 1988 3688.91 22,586,216 7008 14300 100.0 63.0 --

Fri, Aug 18, 1978 3648.83 17,260,426 7008 17700 94.0 62.0 --

Tue, Mar 01, 1977 3651.41 17,612,292 7008 9530 56.0 21.0 --

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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