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 9663.00 cfs

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

Tue, Dec 30, 1980 3681.29 21,603,848 9663 8500 54.0 31.0 --

Mon, Dec 29, 1980 3681.27 21,600,900 9663 8170 55.0 31.0 --

Sun, Dec 28, 1980 3681.27 21,600,900 9663 7880 53.0 35.0 --

Thu, Dec 18, 1980 3681.42 21,622,970 9663 10500 n/a n/a --

Sat, Jan 18, 1975 3645.87 16,973,192 9663 6040 46.0 25.0 --

Wed, Dec 27, 1967 3526.75 6,217,340 9663 7290 32.0 14.0 --

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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