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 10378 cfs

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

Sun, Jan 05, 2020 3608.30 12,559,943 5622 10378 38.0 27.0 49.0

Thu, Mar 12, 2009 3611.47 12,878,837 7087 10378 62.1 37.9 51.0

Mon, May 13, 2002 3645.01 16,602,576 6494 10378 81.0 53.1 60.0

Thu, May 09, 2002 3645.23 16,629,270 5507 10378 78.1 46.0 58.0

Fri, Nov 02, 2001 3662.22 18,785,004 6357 10378 66.9 44.1 64.0

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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