Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where outflow from Lake Powell was 9000 cfs

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

Wed, Oct 06, 1993 3662.31 18,796,948 7113 9000 87.0 57.0 --

Wed, Oct 16, 1991 3627.77 14,604,702 6906 9000 80.0 51.0 --

Sun, Jun 25, 1989 3678.16 20,991,188 11873 9000 98.0 61.0 --

Sun, Oct 06, 1985 3685.68 22,097,990 12989 9000 77.0 51.0 --

Wed, Sep 29, 1982 3687.32 22,439,948 14416 9000 80.0 51.0 --

Mon, Jun 08, 1981 3679.14 21,258,290 25389 9000 102.0 60.0 --

Fri, Aug 16, 1968 3549.79 7,787,345 19257 9000 91.0 62.0 --

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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