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 9610.00 cfs

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

Sun, Sep 16, 2007 3601.93 11,935,147 5685 9610 90.0 72.0 78.0

Thu, Apr 04, 1996 3671.86 20,096,934 11653 9610 71.0 47.0 --

Sun, Jan 23, 1994 3657.78 18,203,586 7897 9610 56.0 23.0 --

Fri, Mar 27, 1992 3619.31 13,690,211 7526 9610 70.0 48.0 --

Tue, Jun 21, 1988 3692.09 23,073,964 19922 9610 98.0 68.0 --

Tue, Apr 21, 1981 3677.38 21,003,038 7625 9610 78.0 46.0 --

Thu, Oct 26, 1978 3637.50 15,886,667 8688 9610 64.0 45.0 --

Mon, Apr 10, 1972 3612.72 13,279,536 6917 9610 82.0 51.0 --

Mon, Dec 07, 1970 3601.19 12,152,498 11188 9610 50.0 30.0 --

Sun, Sep 20, 1970 3599.64 12,000,732 15214 9610 89.0 60.0 --

Mon, Oct 27, 1969 3574.99 9,770,748 13464 9610 68.0 48.0 --

Thu, Dec 21, 1967 3526.46 6,198,591 7375 9610 38.0 11.0 --

Sun, Feb 07, 1965 3491.74 4,210,246 11217 9610 44.0 38.0 --

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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