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 22000.00 cfs

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

Sun, Dec 28, 1986 3684.82 21,969,190 16973 22000 47.0 26.0 --

Sun, Nov 23, 1986 3688.44 22,514,312 22818 22000 53.0 38.0 --

Mon, Feb 10, 1986 3684.39 21,905,094 15378 22000 40.0 17.0 --

Sun, Feb 09, 1986 3684.48 21,918,518 14888 22000 41.0 22.0 --

Wed, Sep 25, 1985 3686.34 22,197,014 16123 22000 89.0 60.0 --

Sun, Sep 15, 1985 3687.41 22,357,896 13242 22000 96.0 67.0 --

Fri, Dec 17, 1982 3685.15 22,113,650 13127 22000 n/a n/a --

Thu, Aug 24, 1978 3647.43 17,086,168 5806 22000 96.0 80.0 --

Wed, Aug 06, 1975 3674.61 20,791,836 17159 22000 99.0 69.0 --

Fri, Jul 19, 1974 3664.42 19,403,488 8665 22000 92.0 68.0 --

Tue, Jul 16, 1974 3665.11 19,497,524 8977 22000 88.0 69.0 --

Thu, Jan 18, 1973 3603.21 12,293,560 11777 22000 37.0 23.0 --

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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