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 25700.00 cfs

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

Wed, Feb 04, 1987 3678.63 21,059,334 15420 25700 54.0 41.0 --

Mon, Jan 26, 1987 3679.84 21,234,812 13849 25700 52.0 23.0 --

Sat, Sep 27, 1986 3689.96 22,745,914 19979 25700 72.0 49.0 --

Fri, Mar 21, 1986 3681.80 21,521,608 17940 25700 66.0 40.0 --

Wed, Nov 02, 1983 3693.88 23,416,632 15101 25700 69.0 54.0 --

Tue, Sep 06, 1983 3703.32 24,925,350 13973 25700 97.0 67.0 --

Sun, Apr 01, 1973 3597.90 11,775,562 11218 25700 60.0 39.0 --

Wed, May 19, 1965 3491.99 4,223,233 27076 25700 90.0 60.0 --

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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