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 7260 cfs

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

Tue, Feb 24, 1981 3678.23 21,126,008 7141 7260 66.0 38.0 --

Sat, Apr 01, 1978 3622.73 14,214,145 9705 7260 77.0 57.0 --

Wed, Nov 21, 1973 3646.34 17,084,770 12783 7260 48.0 34.0 --

Sat, Apr 01, 1972 3612.76 13,283,694 9924 7260 72.0 40.0 --

Mon, Mar 27, 1972 3612.64 13,271,219 10902 7260 54.0 42.0 --

Sun, Oct 11, 1970 3599.20 11,957,995 11735 7260 69.0 43.0 --

Fri, Oct 03, 1969 3573.49 9,643,966 10449 7260 84.0 48.0 --

Sat, Jan 22, 1966 3536.01 6,837,403 9843 7260 34.0 16.0 --

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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