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 13190 cfs

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

Wed, Jan 06, 2021 3581.15 10,038,373 3904 13190 46.0 27.0 48.0

Tue, Jul 14, 2020 3608.88 12,617,894 4246 13190 102.0 80.0 77.0

Thu, Feb 18, 2016 3595.01 11,280,145 8268 13190 72.0 48.0 49.0

Wed, Jul 30, 2014 3608.21 12,550,967 9710 13190 96.1 73.9 79.0

Fri, May 23, 2008 3603.88 12,124,133 48798 13190 60.1 46.0 63.0

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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