Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 8250 cfs

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

Wed, Oct 02, 2002 3626.37 14,450,315 6991 8250 n/a n/a 69.0

Sun, Mar 28, 1993 3615.89 13,332,308 20513 8250 56.0 41.0 --

Sat, Apr 16, 1988 3682.08 21,562,772 11732 8250 79.0 45.0 --

Sun, Jul 02, 1978 3650.40 17,457,388 40863 8250 n/a 63.0 --

Sat, Mar 27, 1976 3664.80 19,396,092 10414 8250 65.0 51.0 --

Mon, Feb 08, 1965 3491.80 4,213,366 10993 8250 48.0 35.0 --

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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