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 inflow into Lake Powell was 8809.00 cfs

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

Tue, Apr 07, 2020 3600.36 11,784,448 8809 11028 72.0 47.0 54.0

Mon, Mar 31, 2014 3574.76 9,497,289 8809 8164 64.0 37.9 51.0

Thu, Nov 05, 1992 3621.09 13,879,067 8809 9890 56.0 35.0 --

Sat, Sep 03, 1988 3687.89 22,430,374 8809 9660 97.0 60.0 --

Wed, Sep 16, 1981 3672.81 20,352,622 8809 15200 85.0 63.0 --

Sat, Sep 12, 1981 3673.08 20,390,732 8809 12300 83.0 62.0 --

Sun, Sep 03, 1967 3530.18 6,439,099 8809 7830 95.0 68.0 --

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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