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 11362.00 cfs

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

Thu, Sep 26, 2013 3591.37 10,944,983 11362 11123 78.1 57.9 72.0

Mon, Sep 23, 2013 3591.20 10,929,487 11362 10627 77.0 54.0 66.0

Mon, Dec 22, 1975 3667.28 19,764,532 11362 11300 42.0 35.0 --

Fri, Dec 22, 1972 3606.50 12,641,810 11362 20300 35.0 28.0 --

Sun, May 07, 1972 3610.00 12,998,048 11362 9310 81.0 57.0 --

Sat, May 06, 1972 3610.02 13,000,111 11362 11900 83.0 56.0 --

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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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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