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 7229 cfs

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

Tue, Feb 02, 2010 3622.01 13,977,377 7229 11751 41.0 28.0 48.0

Tue, Mar 13, 2007 3597.44 11,507,471 7229 10014 79.0 46.9 51.0

Thu, Nov 10, 1994 3653.25 17,623,658 7229 8490 61.0 35.0 --

Mon, Feb 24, 1992 3620.10 13,773,660 7229 11300 57.0 37.0 --

Sat, Oct 03, 1981 3672.24 20,272,024 7229 6460 69.0 50.0 --

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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