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 9460.00 cfs

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

Sun, Apr 05, 1998 3673.62 20,343,852 19372 9460 65.0 34.0 --

Sat, Mar 14, 1992 3619.70 13,731,345 8744 9460 71.0 33.0 --

Wed, Nov 22, 1989 3661.88 18,740,204 6237 9460 63.0 34.0 --

Mon, Apr 24, 1989 3675.18 20,564,550 14054 9460 83.0 46.0 --

Sat, Jan 09, 1988 3684.64 21,942,344 9821 9460 53.0 25.0 --

Sun, Sep 02, 1979 3680.65 21,541,258 8378 9460 93.0 60.0 --

Thu, Jul 05, 1979 3682.19 21,767,888 47968 9460 97.0 88.0 --

Thu, Nov 02, 1978 3637.26 15,858,508 8357 9460 60.0 49.0 --

Sat, Jun 24, 1978 3647.23 17,061,440 47618 9460 n/a 72.0 --

Tue, May 30, 1967 3508.00 5,082,572 39222 9460 75.0 60.0 --

Tue, Jul 13, 1965 3522.32 5,956,508 37767 9460 98.0 68.0 --

Thu, Jan 14, 1965 3491.75 4,210,766 10709 9460 49.0 28.0 --

Mon, Jan 11, 1965 3491.72 4,209,206 10836 9460 46.0 26.0 --

Sun, Jan 10, 1965 3491.69 4,207,646 11523 9460 46.0 27.0 --

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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