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 6560.00 cfs

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

Sat, Oct 02, 1982 3687.48 22,464,118 16911 6560 70.0 48.0 --

Mon, Mar 22, 1982 3663.92 19,099,744 10516 6560 59.0 32.0 --

Sun, Dec 23, 1979 3672.46 20,364,260 9805 6560 47.0 30.0 --

Fri, Jul 01, 1977 3653.67 17,900,044 4725 6560 101.0 76.0 --

Tue, Jun 07, 1977 3654.52 18,009,234 10071 6560 96.0 64.0 --

Fri, Mar 12, 1965 3491.94 4,220,633 9061 6560 52.0 40.0 --

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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