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 24800 cfs

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

Sat, Mar 08, 1986 3682.88 21,680,342 18021 24800 73.0 47.0 --

Mon, Nov 19, 1984 3690.77 22,902,620 16768 24800 54.0 32.0 --

Tue, Nov 13, 1984 3691.52 23,018,156 16934 24800 64.0 34.0 --

Sun, Nov 11, 1984 3691.82 23,064,376 17640 24800 55.0 32.0 --

Thu, Nov 08, 1984 3692.24 23,129,304 18336 24800 66.0 45.0 --

Sun, Sep 09, 1984 3699.38 24,255,134 15037 24800 97.0 67.0 --

Tue, Jul 29, 1980 3696.88 23,985,422 9058 24800 100.0 73.0 --

Mon, Jun 09, 1980 3694.97 23,684,238 56689 24800 n/a n/a --

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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