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 9240.00 cfs

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

Sat, Mar 10, 2012 3634.97 15,416,923 8289 9240 61.0 39.0 49.0

Sat, Oct 20, 2007 3601.12 11,857,250 8300 9240 79.0 46.0 65.0

Sun, Sep 15, 1991 3630.23 14,878,873 12522 9240 89.0 62.0 --

Sun, Sep 08, 1991 3630.48 14,906,998 6992 9240 84.0 61.0 --

Mon, Sep 02, 1991 3631.11 14,977,887 5932 9240 94.0 62.0 --

Sat, Dec 09, 1989 3660.83 18,602,156 5654 9240 52.0 25.0 --

Sun, May 22, 1988 3686.28 22,188,004 29546 9240 87.0 51.0 --

Thu, Mar 18, 1982 3663.72 19,073,064 11146 9240 63.0 41.0 --

Mon, Jan 18, 1965 3491.74 4,210,246 10688 9240 57.0 30.0 --

Search DB for more Lake Powell Water Data Facts

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

Page took 1.723 seconds to create!
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