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 7740 cfs

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

Sun, Jun 05, 1994 3662.68 18,846,044 34196 7740 97.0 61.0 --

Sat, Nov 24, 1990 3636.56 15,600,967 6634 7740 53.0 30.0 --

Tue, Jun 30, 1981 3680.61 21,472,642 6353 7740 90.0 71.0 --

Thu, Oct 13, 1977 3635.88 15,722,004 5786 7740 73.0 47.0 --

Fri, Nov 24, 1972 3609.57 12,953,990 13611 7740 50.0 29.0 --

Sat, Dec 05, 1970 3601.12 12,145,646 11482 7740 54.0 29.0 --

Thu, Mar 25, 1965 3491.22 4,183,232 8867 7740 53.0 33.0 --

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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