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 8812 cfs

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

Wed, Feb 17, 2016 3595.11 11,289,443 8812 13230 61.0 39.0 49.0

Sun, Nov 26, 2006 3607.01 12,431,690 8812 9930 54.0 34.0 58.0

Sat, Feb 16, 1991 3629.70 14,819,545 8812 11900 62.0 45.0 --

Tue, Nov 21, 1967 3528.49 6,328,960 8812 10100 61.0 41.0 --

Tue, Nov 07, 1967 3528.29 6,316,035 8812 7200 65.0 41.0 --

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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