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 7417.00 cfs

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

Thu, Aug 24, 2023 3575.63 8,949,504 7417 14012 84.4 66.4 80.0

Sun, Feb 06, 2005 3561.30 8,422,243 7417 6778 51.1 30.0 --

Fri, Feb 05, 1982 3663.03 18,981,006 7417 21500 36.0 12.0 --

Tue, Feb 15, 1977 3651.50 17,623,690 7417 8870 60.0 33.0 --

Tue, Feb 28, 1967 3515.15 5,500,298 7417 5830 62.0 32.0 --

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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