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 6549 cfs

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

Sun, Oct 16, 2022 3530.26 5,852,540 6549 7571 70.0 59.0 72.0

Sun, Mar 29, 2020 3600.80 11,826,553 6549 9966 61.0 44.0 52.0

Sun, Dec 18, 2011 3642.09 16,251,201 6549 20323 37.9 33.8 53.0

Thu, Mar 27, 2003 3607.69 12,499,181 6549 12826 57.9 41.0 50.0

Tue, Nov 13, 2001 3661.48 18,687,132 6549 10307 61.0 46.9 62.0

Sun, Nov 29, 1992 3619.52 13,712,452 6549 8980 47.0 27.0 --

Thu, Sep 27, 1990 3637.59 15,720,450 6549 14400 77.0 60.0 --

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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