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 6005 cfs

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

Thu, Sep 19, 2019 3616.47 13,392,590 6005 11936 90.0 69.0 74.0

Sat, Mar 29, 2014 3574.85 9,504,772 6005 8078 68.0 42.1 51.0

Wed, Sep 26, 2001 3665.03 19,160,350 6005 7797 89.1 63.0 77.0

Mon, Jan 09, 1995 3649.09 17,102,720 6005 13400 47.0 35.0 --

Tue, Jan 15, 1991 3631.99 15,076,874 6005 10600 44.0 28.0 --

Sun, Jan 22, 1989 3677.61 20,911,856 6005 7240 59.0 13.0 --

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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