Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where outflow from Lake Powell was 24300.00 cfs

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

Mon, Mar 03, 1986 3683.43 21,762,060 17981 24300 72.0 41.0 --

Mon, Sep 16, 1985 3687.24 22,332,238 13087 24300 94.0 60.0 --

Sat, Jul 13, 1985 3698.92 24,149,188 22690 24300 100.0 75.0 --

Wed, Dec 26, 1984 3685.50 22,102,738 13923 24300 45.0 34.0 --

Tue, Dec 18, 1984 3686.74 22,288,830 14326 24300 45.0 28.0 --

Sun, Nov 25, 1984 3689.91 22,770,298 16007 24300 49.0 36.0 --

Wed, Aug 08, 1984 3702.12 24,697,844 25771 24300 95.0 76.0 --

Thu, Feb 23, 1984 3677.82 20,973,216 16059 24300 52.0 29.0 --

Wed, Feb 22, 1984 3678.00 20,999,142 16229 24300 52.0 29.0 --

Wed, Feb 15, 1984 3678.71 21,102,154 16016 24300 49.0 30.0 --

Thu, Feb 02, 1984 3680.25 21,325,858 13749 24300 51.0 27.0 --

Sun, Jan 29, 1984 3680.79 21,404,754 13849 24300 51.0 26.0 --

Wed, May 25, 1983 3691.60 23,062,568 39173 24300 93.0 62.0 --

Fri, Jul 18, 1980 3698.98 24,320,458 16463 24300 104.0 66.0 --

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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