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 10128 cfs

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

Sat, Sep 06, 2008 3628.99 14,740,035 10128 12131 91.9 64.0 77.0

Wed, Dec 18, 1996 3675.96 20,675,654 10128 16800 41.0 16.0 --

Sat, Jan 26, 1980 3673.30 20,452,316 10128 8880 59.0 30.0 --

Tue, Jan 02, 1973 3605.90 12,561,390 10128 20900 35.0 18.0 --

Thu, Jan 16, 1969 3539.67 7,054,075 10128 11100 54.0 40.0 --

Sat, Jan 16, 1965 3491.74 4,210,246 10128 8850 54.0 30.0 --

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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