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 7950 cfs

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

Sun, Oct 27, 1996 3678.12 20,985,560 9336 7950 55.0 40.0 --

Sat, Oct 20, 1990 3637.25 15,681,000 6862 7950 59.0 41.0 --

Sat, May 07, 1988 3684.19 21,875,302 15077 7950 64.0 32.0 --

Sat, Mar 26, 1988 3681.71 21,508,364 9916 7950 74.0 41.0 --

Sun, Nov 17, 1968 3542.43 7,257,933 10430 7950 59.0 37.0 --

Tue, Oct 17, 1967 3528.18 6,308,917 7789 7950 73.0 44.0 --

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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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Copyright Summit Technologies, Inc.
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