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 6026 cfs

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

Sat, Dec 03, 2022 3527.74 5,703,927 6026 8681 45.5 28.8 49.0

Mon, Oct 17, 2022 3530.20 5,848,974 6026 7695 73.0 54.0 72.0

Mon, Sep 18, 2017 3629.26 14,770,130 6026 11758 87.0 59.0 77.0

Wed, Dec 20, 2000 3671.20 20,004,908 6026 13824 41.0 22.0 --

Sat, Jan 28, 1989 3676.98 20,821,138 6026 16800 59.0 12.0 --

Sat, Jan 07, 1989 3679.16 21,136,188 6026 12300 52.0 12.0 --

Tue, Jan 05, 1982 3667.07 19,526,274 6026 15100 41.0 34.0 --

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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