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 9705 cfs

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

Fri, Jan 14, 1983 3683.89 21,893,822 9705 16800 50.0 25.0 --

Sat, Apr 01, 1978 3622.73 14,214,145 9705 7260 77.0 57.0 --

Mon, Jan 28, 1974 3647.08 17,150,100 9705 7970 43.0 27.0 --

Mon, Jan 07, 1974 3647.75 17,233,394 9705 18300 37.0 28.0 --

Fri, Jul 24, 1964 3482.54 3,750,002 9705 980 101.0 73.0 --

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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