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 11741 cfs

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

Thu, Jan 25, 2024 3565.50 8,183,497 8630 11741 48.4 39.0 --

Tue, Mar 09, 2021 3569.99 9,106,272 6203 11741 68.0 47.0 48.0

Sun, Apr 28, 2019 3570.31 9,132,159 25702 11741 85.0 62.0 59.0

Wed, Feb 21, 2001 3664.45 19,082,392 4758 11741 57.9 37.9 --

Sat, Apr 24, 1999 3677.23 20,857,440 10563 11741 62.0 39.0 60.0

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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