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 7054 cfs

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

Sun, Apr 26, 2015 3590.37 10,854,033 7054 9166 64.0 44.0 60.0

Tue, Sep 15, 2009 3636.38 15,579,682 7054 10044 82.9 62.1 76.0

Sat, Aug 26, 2006 3603.59 12,095,920 7054 13311 91.9 72.0 79.0

Tue, Jan 07, 1992 3623.97 14,188,757 7054 13400 43.0 32.0 --

Mon, Dec 21, 1981 3668.35 19,731,496 7054 16900 58.0 39.0 --

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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