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 outflow from Lake Powell was 9984.00 cfs

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

Mon, Oct 12, 2015 3606.17 12,348,646 6770 9984 84.0 59.0 73.0

Fri, Oct 09, 2015 3606.27 12,358,512 8381 9984 81.0 60.1 73.0

Tue, Mar 25, 2008 3589.28 10,755,454 11543 9984 75.0 43.0 53.0

Sun, Dec 26, 2004 3564.70 8,685,511 5325 9984 37.9 24.1 52.0

Sat, May 19, 2001 3665.41 19,211,538 30437 9984 79.0 59.0 68.0

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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