Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where inflow into Lake Powell was 6840 cfs

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

Mon, Apr 04, 2016 3591.81 10,985,155 6840 11457 78.1 51.1 54.0

Wed, Jan 19, 2011 3622.84 14,066,518 6840 17287 59.0 34.0 48.0

Wed, Jan 29, 1992 3621.42 13,914,222 6840 12700 48.0 22.0 --

Tue, Oct 11, 1988 3685.06 22,005,008 6840 9600 81.0 51.0 --

Tue, Jan 05, 1988 3684.69 21,949,802 6840 15900 39.0 26.0 --

Mon, Aug 26, 1963 181,400 6840 990 90.0 69.0 --

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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