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 5760 cfs

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

Mon, Jan 02, 1989 3679.70 21,214,492 5022 5760 58.0 12.0 --

Fri, Oct 30, 1987 3687.71 22,403,204 10158 5760 67.0 43.0 --

Sun, May 13, 1973 3598.26 11,810,290 46515 5760 84.0 61.0 --

Mon, Feb 15, 1971 3602.27 12,239,399 11281 5760 64.0 37.0 --

Sun, Mar 15, 1970 3571.49 9,460,380 9102 5760 66.0 48.0 --

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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