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 28300 cfs

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

Sat, Jan 10, 1987 3682.64 21,645,064 16165 28300 46.0 23.0 --

Thu, Jan 08, 1987 3683.03 21,702,474 16101 28300 39.0 30.0 --

Sat, Sep 06, 1986 3693.69 23,322,630 13807 28300 94.0 64.0 --

Tue, Aug 06, 1985 3696.30 23,732,408 18982 28300 99.0 70.0 --

Thu, Aug 01, 1985 3697.00 23,843,000 23695 28300 90.0 61.0 --

Fri, Apr 27, 1973 3590.76 11,103,464 17365 28300 78.0 48.0 --

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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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Copyright Summit Technologies, Inc.
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