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 9150 cfs

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

Fri, Dec 02, 2022 3527.83 5,709,195 7450 9150 51.4 30.9 50.0

Wed, Sep 07, 2022 3530.71 5,879,328 4038 9150 101.0 79.0 81.0

Tue, Apr 28, 1992 3621.24 13,895,059 13749 9150 92.0 56.0 --

Sun, Feb 09, 1992 3620.82 13,850,337 7471 9150 49.0 36.0 --

Sun, Jun 23, 1991 3638.22 15,793,847 26675 9150 94.0 64.0 --

Sat, Mar 21, 1987 3679.09 21,126,062 17869 9150 53.0 38.0 --

Sun, Sep 23, 1979 3678.67 21,252,378 7388 9150 89.0 62.0 --

Sun, Jun 13, 1971 3613.91 13,424,904 36736 9150 91.0 57.0 --

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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