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 inflow into Lake Powell was 13269.00 cfs

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

Mon, Mar 06, 2017 3594.08 11,193,900 13269 12038 51.0 35.0 48.0

Tue, Jul 19, 2005 3608.07 12,537,019 13269 14422 107.1 75.9 82.0

Tue, Oct 05, 1999 3691.21 22,938,308 13269 17484 86.0 51.0 --

Sat, Dec 31, 1983 3685.24 22,095,450 13269 22100 47.0 32.0 --

Fri, Nov 23, 1973 3646.50 17,104,678 13269 3890 45.0 32.0 --

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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