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 9510 cfs

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

Sun, Sep 04, 1994 3656.50 18,038,382 5522 9510 87.0 65.0 --

Mon, Jun 07, 1993 3653.57 17,664,200 66664 9510 86.0 48.0 --

Sun, Jun 10, 1990 3649.81 17,192,448 22218 9510 91.0 60.0 --

Mon, Jan 29, 1990 3655.74 17,940,848 5025 9510 n/a 22.0 --

Fri, Oct 27, 1989 3663.58 18,966,150 6819 9510 72.0 37.0 --

Mon, Jan 23, 1989 3677.53 20,900,324 5878 9510 62.0 12.0 --

Fri, Dec 26, 1980 3681.23 21,595,006 9696 9510 54.0 30.0 --

Wed, Nov 17, 1965 3531.30 6,533,489 11723 9510 61.0 48.0 --

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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