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 8600 cfs

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

Sat, Oct 19, 1996 3678.45 21,033,182 8504 8600 70.0 48.0 --

Fri, Nov 25, 1994 3652.67 17,550,350 7275 8600 48.0 28.0 --

Mon, Mar 29, 1982 3663.98 19,107,758 9234 8600 68.0 41.0 --

Sat, Dec 26, 1981 3667.82 19,658,618 7621 8600 48.0 30.0 --

Tue, Oct 06, 1981 3672.47 20,304,540 10860 8600 75.0 55.0 --

Thu, Mar 23, 1978 3622.72 14,213,050 7383 8600 68.0 43.0 --

Thu, Mar 26, 1970 3571.43 9,455,378 9184 8600 61.0 32.0 --

Sun, Dec 22, 1968 3540.14 7,098,250 8661 8600 32.0 15.0 --

Tue, Feb 21, 1967 3515.31 5,509,850 6587 8600 47.0 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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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