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 7980.00 cfs

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

Tue, May 26, 2009 3625.59 14,364,850 49866 7980 80.1 55.9 68.0

Sat, Oct 10, 1992 3622.28 14,006,332 5528 7980 n/a 51.0 --

Sun, Oct 21, 1990 3637.25 15,681,000 7348 7980 58.0 39.0 --

Wed, Oct 17, 1990 3637.25 15,681,000 6991 7980 83.0 54.0 --

Thu, Mar 10, 1977 3650.77 17,531,418 6765 7980 74.0 33.0 --

Wed, Feb 23, 1977 3651.66 17,643,924 8710 7980 51.0 32.0 --

Sun, Jul 04, 1976 3672.23 20,423,340 15123 7980 97.0 68.0 --

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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