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 25600.00 cfs

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

Wed, Aug 19, 1987 3693.36 23,271,176 7909 25600 100.0 65.0 --

Mon, Mar 10, 1986 3682.77 21,664,192 17482 25600 57.0 42.0 --

Tue, Feb 05, 1985 3679.45 21,178,242 13952 25600 39.0 22.0 --

Mon, Sep 12, 1983 3702.24 24,749,662 14317 25600 92.0 63.0 --

Sat, Sep 10, 1983 3702.56 24,801,546 14904 25600 89.0 70.0 --

Sun, Apr 22, 1973 3591.90 11,209,148 15890 25600 66.0 42.0 --

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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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Copyright Summit Technologies, Inc.
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