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 28800.00 cfs

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

Fri, Jan 09, 1987 3682.84 21,674,492 16228 28800 43.0 24.0 --

Thu, Sep 11, 1986 3692.77 23,179,354 17408 28800 80.0 54.0 --

Thu, Jul 31, 1986 3699.71 24,275,594 24851 28800 98.0 69.0 --

Tue, Jul 29, 1986 3699.89 24,304,382 28640 28800 n/a n/a --

Fri, Aug 30, 1985 3690.98 22,902,918 8458 28800 101.0 70.0 --

Mon, Jul 07, 1980 3700.30 24,532,512 29841 28800 88.0 69.0 --

Sun, Apr 15, 1973 3593.26 11,335,938 14815 28800 67.0 47.0 --

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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