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 7730.00 cfs

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

Sat, Oct 29, 2022 3529.92 5,832,351 8002 7730 60.3 30.6 63.0

Sat, May 03, 2014 3578.38 9,801,390 19649 7730 89.1 55.9 59.0

Tue, Oct 31, 1989 3663.54 18,960,826 6282 7730 56.0 31.0 --

Tue, Dec 06, 1988 3681.86 21,530,436 6406 7730 56.0 26.0 --

Mon, Feb 15, 1982 3661.94 18,835,644 7588 7730 49.0 38.0 --

Thu, Apr 17, 1975 3646.26 17,021,476 9962 7730 68.0 38.0 --

Sat, Apr 12, 1975 3646.20 17,014,018 8564 7730 53.0 40.0 --

Sun, Dec 19, 1965 3534.02 6,714,454 13105 7730 41.0 24.0 --

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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