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 9070.00 cfs

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

Sat, Mar 13, 2010 3620.06 13,769,592 8034 9070 60.1 36.0 50.0

Sat, May 15, 1993 3630.23 14,878,609 32761 9070 89.0 63.0 --

Fri, Oct 18, 1991 3627.67 14,593,691 7227 9070 87.0 55.0 --

Sat, Jan 19, 1991 3631.60 15,033,011 5793 9070 46.0 26.0 --

Tue, May 10, 1988 3684.52 21,924,482 16204 9070 85.0 51.0 --

Mon, Dec 23, 1985 3686.88 22,277,982 13519 9070 51.0 27.0 --

Tue, Nov 24, 1981 3670.79 20,069,410 7606 9070 63.0 35.0 --

Mon, Oct 07, 1974 3651.33 17,684,666 7143 9070 76.0 58.0 --

Mon, Mar 27, 1967 3512.75 5,358,322 8014 9070 73.0 53.0 --

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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