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 inflow into Lake Powell was 11624 cfs

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

Mon, Sep 01, 1997 3690.99 22,904,422 11624 8110 81.0 65.0 --

Fri, Mar 28, 1980 3675.45 20,757,394 11624 7550 55.0 34.0 --

Sat, Nov 09, 1974 3650.26 17,549,054 11624 14200 55.0 38.0 --

Tue, Nov 17, 1970 3600.68 12,102,444 11624 10300 55.0 29.0 --

Sat, Nov 14, 1970 3600.61 12,095,592 11624 5190 58.0 37.0 --

Fri, Nov 28, 1969 3574.16 9,700,488 11624 11500 51.0 22.0 --

Mon, Sep 20, 1965 3529.19 6,395,147 11624 12000 66.0 47.0 --

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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