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 7530 cfs

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

Thu, May 11, 1989 3676.22 20,712,456 10744 7530 85.0 53.0 --

Sun, Mar 27, 1988 3681.86 21,530,436 10607 7530 82.0 39.0 --

Mon, Sep 13, 1982 3686.60 22,331,472 13364 7530 77.0 58.0 --

Sat, Feb 27, 1982 3662.58 18,920,970 11855 7530 60.0 39.0 --

Sat, Apr 08, 1972 3612.77 13,284,734 7165 7530 79.0 45.0 --

Mon, Sep 07, 1970 3598.18 11,858,908 45709 7530 83.0 58.0 --

Wed, Nov 08, 1967 3528.30 6,316,682 9395 7530 65.0 40.0 --

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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