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 6905.00 cfs

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

Thu, Oct 21, 2021 3544.55 7,201,514 6905 8447 67.0 45.0 64.0

Sat, Mar 07, 2020 3602.10 11,951,550 6905 10872 72.0 45.0 49.0

Tue, Jan 17, 2012 3637.99 15,767,001 6905 13103 44.1 27.0 49.0

Fri, Apr 09, 2010 3618.87 13,643,872 6905 10320 75.0 41.0 53.0

Fri, Aug 18, 1989 3671.51 20,047,892 6905 12800 86.0 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