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 8850.00 cfs

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

Sun, Jun 14, 2020 3610.34 12,764,554 24419 8850 75.0 65.0 73.0

Sun, Nov 03, 1996 3677.98 20,965,350 10542 8850 63.0 41.0 --

Sat, Aug 20, 1988 3688.88 22,581,622 6954 8850 98.0 68.0 --

Sat, Feb 15, 1975 3645.90 16,976,862 9897 8850 49.0 38.0 --

Sun, Feb 21, 1965 3491.15 4,179,592 9791 8850 60.0 31.0 --

Sat, Jan 16, 1965 3491.74 4,210,246 10128 8850 54.0 30.0 --

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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