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 7410 cfs

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

Tue, Apr 26, 2005 3560.75 8,380,177 22903 7410 70.0 46.9 59.0

Sat, Oct 29, 1994 3653.79 17,692,102 7769 7410 75.0 49.0 --

Sat, Apr 01, 1989 3674.67 20,492,128 9829 7410 75.0 45.0 --

Sun, Nov 29, 1981 3670.79 20,069,410 7815 7410 45.0 32.0 --

Sun, Oct 12, 1980 3686.62 22,398,122 7705 7410 83.0 52.0 --

Sat, Oct 28, 1972 3608.88 12,883,337 15863 7410 61.0 48.0 --

Thu, Nov 27, 1969 3574.24 9,707,266 12010 7410 52.0 29.0 --

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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