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 8081.00 cfs

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

Tue, Jan 10, 2023 3524.47 5,514,470 5327 8081 53.1 30.4 47.0

Wed, Oct 31, 2012 3619.46 13,706,110 5226 8081 71.1 46.0 --

Mon, Oct 04, 2010 3633.55 15,254,227 7210 8081 70.0 55.9 72.0

Fri, May 29, 2009 3627.88 14,616,778 51792 8081 84.0 62.1 70.0

Mon, Oct 04, 2004 3570.86 9,176,776 10157 8081 78.1 53.1 71.0

Tue, Oct 21, 2003 3602.67 12,006,630 5968 8081 80.1 53.1 69.0

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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