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 outflow from Lake Powell was 10113 cfs

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

Sun, May 08, 2016 3592.74 11,070,373 15029 10113 66.9 46.9 59.0

Fri, Mar 22, 2013 3599.89 11,739,585 9826 10113 66.0 44.1 51.0

Wed, Sep 16, 2009 3636.28 15,568,099 7275 10113 81.0 62.1 76.0

Fri, Oct 05, 2001 3664.35 19,068,996 4987 10113 82.9 62.1 74.0

Mon, May 28, 2001 3668.70 19,659,318 31858 10113 87.1 66.9 --

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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