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 outflow from Lake Powell was 12539 cfs

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

Fri, Apr 21, 2023 3524.07 5,491,552 31380 12539 68.9 43.3 56.0

Thu, Dec 26, 2019 3609.15 12,644,931 10242 12539 42.0 30.0 51.0

Thu, Feb 14, 2019 3574.06 9,439,631 7927 12539 43.0 39.0 45.0

Wed, Jun 20, 2012 3635.37 15,462,973 5277 12539 97.0 73.9 74.0

Sun, Aug 20, 2006 3604.52 12,186,611 7923 12539 96.1 71.1 80.0

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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