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 10018 cfs

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

Tue, May 21, 2024 3563.12 8,010,105 20543 10018 70.5 55.6 --

Sun, Jun 09, 2019 3590.27 10,844,965 64322 10018 80.0 60.0 70.0

Sun, Jun 02, 2019 3585.53 10,420,705 33233 10018 87.0 61.0 66.0

Fri, Mar 08, 2013 3600.73 11,819,848 6080 10018 54.0 33.8 47.0

Wed, May 10, 2006 3596.03 11,375,221 23683 10018 77.0 48.9 62.0

Thu, May 04, 2006 3594.18 11,203,147 21858 10018 80.1 59.0 63.0

Mon, May 20, 2002 3644.52 16,543,232 6584 10018 88.0 62.1 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