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 outflow from Lake Powell was 8510.00 cfs

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

Sat, Oct 09, 1993 3662.32 18,798,276 8212 8510 73.0 49.0 --

Mon, Mar 09, 1981 3678.20 21,121,640 6351 8510 60.0 39.0 --

Tue, Feb 26, 1980 3673.94 20,542,358 20486 8510 59.0 34.0 --

Sat, Jul 01, 1978 3650.04 17,412,044 41048 8510 n/a 66.0 --

Mon, Jan 05, 1976 3667.74 19,797,732 10223 8510 38.0 20.0 --

Fri, Jan 10, 1969 3539.57 7,047,168 8528 8510 46.0 25.0 --

Thu, Feb 23, 1967 3515.16 5,500,895 6662 8510 60.0 31.0 --

Tue, Sep 06, 1966 3533.82 6,690,178 7159 8510 91.0 64.0 --

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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