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 4920.00 cfs

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

Sun, Jan 13, 1991 3632.06 15,084,847 5815 4920 45.0 33.0 --

Mon, Oct 09, 1989 3664.80 19,129,606 6581 4920 79.0 58.0 --

Sun, Oct 08, 1989 3664.80 19,129,606 6430 4920 79.0 48.0 --

Sun, Nov 13, 1988 3683.46 21,766,534 6833 4920 74.0 39.0 --

Sun, Dec 01, 1985 3686.60 22,236,014 15426 4920 50.0 37.0 --

Mon, Jun 13, 1977 3655.15 18,090,384 13864 4920 96.0 65.0 --

Tue, Mar 19, 1974 3650.19 17,540,184 15428 4920 77.0 53.0 --

Fri, Feb 25, 1972 3608.94 12,889,454 13015 4920 68.0 37.0 --

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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