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 8910 cfs

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

Sat, Mar 18, 1995 3644.82 16,579,555 9763 8910 75.0 44.0 --

Mon, Dec 26, 1994 3650.35 17,259,336 6634 8910 52.0 34.0 --

Tue, Nov 15, 1994 3653.08 17,602,162 8787 8910 46.0 21.0 --

Thu, Oct 13, 1994 3654.02 17,721,306 7931 8910 79.0 52.0 --

Thu, Oct 07, 1993 3662.35 18,802,258 7045 8910 69.0 55.0 --

Wed, Oct 23, 1991 3627.35 14,558,511 7087 8910 70.0 55.0 --

Fri, Oct 14, 1988 3684.81 21,967,698 6721 8910 80.0 53.0 --

Sun, Mar 06, 1977 3650.90 17,547,802 7916 8910 54.0 24.0 --

Mon, Feb 07, 1972 3607.36 12,728,781 9482 8910 53.0 27.0 --

Mon, Mar 30, 1970 3571.35 9,448,729 8624 8910 60.0 37.0 --

Fri, Mar 13, 1970 3571.39 9,452,044 9458 8910 61.0 39.0 --

Sun, Dec 28, 1969 3572.45 9,556,306 12049 8910 43.0 26.0 --

Mon, Jul 24, 1967 3532.81 6,612,148 13177 8910 102.0 74.0 --

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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