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 8710 cfs

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

Wed, Oct 27, 1993 3662.27 18,791,640 9945 8710 65.0 45.0 --

Mon, Oct 26, 1992 3621.32 13,903,597 6441 8710 n/a 49.0 --

Wed, Jan 31, 1990 3655.60 17,923,012 4931 8710 n/a 26.0 --

Sun, Nov 27, 1988 3682.19 21,578,922 6932 8710 56.0 26.0 --

Sun, Feb 07, 1988 3682.83 21,673,022 9024 8710 49.0 24.0 --

Wed, Apr 28, 1982 3665.36 19,293,992 16480 8710 80.0 58.0 --

Wed, Jul 04, 1973 3638.42 16,122,181 52335 8710 101.0 71.0 --

Sun, Nov 24, 1968 3541.83 7,215,758 10191 8710 54.0 29.0 --

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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