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 6470.00 cfs

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

Tue, Dec 19, 2017 3623.71 14,160,404 6470 12476 50.0 28.0 54.0

Tue, Jan 04, 2005 3564.42 8,663,616 6470 14080 46.9 34.0 51.0

Wed, Jul 20, 1994 3663.41 18,943,238 6470 14300 96.0 74.0 --

Mon, Feb 06, 1989 3675.80 20,652,606 6470 19900 41.0 4.0 --

Sun, Jan 17, 1982 3665.54 19,318,258 6470 6640 50.0 28.0 --

Fri, Mar 29, 1968 3521.01 5,846,522 6470 18500 n/a n/a --

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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