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 5932.00 cfs

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

Wed, Jul 30, 2003 3610.82 12,813,024 5932 15911 99.0 75.9 82.0

Tue, Apr 01, 2003 3607.05 12,435,657 5932 10606 77.0 48.0 52.0

Fri, Oct 04, 2002 3626.31 14,443,723 5932 8268 64.0 44.1 69.0

Mon, Sep 02, 1991 3631.11 14,977,887 5932 9240 94.0 62.0 --

Thu, Aug 11, 1966 3537.95 6,969,937 5932 11500 101.0 73.0 --

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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