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 Lake Powell elevation was 3645.86 feet above Sea Level

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

Thu, Feb 16, 1995 3645.86 16,705,902 7268.00 13900.00 57.0 31.0 --

Sun, Aug 14, 1977 3645.86 16,918,770 6426.00 18100.00 98.0 75.0 --

Sat, Mar 15, 1975 3645.86 16,971,960 10465.00 12200.00 60.0 39.0 --

Thu, Nov 01, 1973 3645.86 17,025,152 12033.00 8700.00 77.0 47.0 --

Thu, Oct 18, 1973 3645.86 17,025,152 12016.00 10600.00 79.0 51.0 --

Wed, Oct 17, 1973 3645.86 17,025,152 11919.00 11900.00 78.0 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