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 9090 cfs

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

Tue, Dec 06, 2022 3527.44 5,686,388 7712 9090 42.1 29.7 49.0

Sun, Oct 28, 2018 3590.78 10,891,264 6117 9090 70.0 46.0 64.0

Sat, Nov 20, 1993 3661.74 18,721,476 10520 9090 58.0 31.0 --

Wed, Apr 29, 1992 3621.33 13,904,653 13911 9090 94.0 57.0 --

Thu, Feb 01, 1990 3655.55 17,916,632 5252 9090 45.0 31.0 --

Mon, Feb 20, 1989 3674.92 20,527,628 6875 9090 53.0 19.0 --

Fri, Apr 11, 1975 3646.18 17,011,532 9134 9090 60.0 39.0 --

Thu, Dec 09, 1965 3533.09 6,652,240 12724 9090 49.0 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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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