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 9720 cfs

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

Mon, Nov 11, 1996 3677.84 20,945,192 10485 9720 62.0 34.0 --

Sun, Sep 05, 1993 3664.24 19,054,234 10161 9720 97.0 65.0 --

Fri, May 21, 1993 3635.60 15,489,507 68796 9720 92.0 60.0 --

Tue, Jul 03, 1979 3681.41 21,652,946 47032 9720 92.0 70.0 --

Tue, Dec 08, 1970 3601.16 12,149,551 10970 9720 52.0 31.0 --

Thu, Jan 23, 1969 3539.97 7,074,828 11027 9720 55.0 33.0 --

Tue, Feb 16, 1965 3491.10 4,177,005 10121 9720 43.0 22.0 --

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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