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 7478 cfs

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

Thu, Jan 07, 2010 3625.06 14,306,997 7478 15663 44.1 28.9 50.0

Sat, Dec 26, 2009 3627.08 14,528,407 7478 13932 36.0 21.0 52.0

Tue, Jan 09, 2007 3602.39 11,979,545 7478 13351 44.1 26.1 48.0

Thu, Feb 23, 2006 3590.56 10,871,282 7478 14844 55.0 28.0 47.0

Sat, Oct 04, 1980 3687.59 22,544,530 7478 9520 n/a n/a --

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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