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 6590 cfs

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

Sun, Oct 26, 2003 3602.29 11,969,897 5875 6590 64.0 43.0 67.0

Sat, Nov 11, 1989 3662.66 18,843,768 7098 6590 67.0 37.0 --

Mon, Dec 31, 1973 3648.84 17,397,040 11330 6590 45.0 22.0 --

Sat, Dec 15, 1973 3647.48 17,226,686 11569 6590 54.0 31.0 --

Tue, Mar 14, 1972 3611.27 13,129,087 12377 6590 77.0 53.0 --

Wed, Feb 17, 1971 3602.37 12,249,308 10951 6590 63.0 47.0 --

Mon, Nov 30, 1970 3600.89 12,123,051 12132 6590 59.0 37.0 --

Mon, Dec 27, 1965 3534.42 6,741,590 12768 6590 43.0 28.0 --

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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