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 outflow from Lake Powell was 7040.00 cfs

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

Mon, Jun 14, 1982 3679.69 21,306,954 38368 7040 88.0 60.0 --

Sun, Jun 28, 1981 3680.75 21,493,120 6734 7040 95.0 70.0 --

Wed, Oct 17, 1979 3676.99 21,008,848 6976 7040 78.0 52.0 --

Thu, Oct 20, 1977 3635.88 15,722,004 5082 7040 77.0 50.0 --

Sun, Dec 12, 1976 3656.79 18,331,074 11068 7040 51.0 24.0 --

Sun, May 05, 1974 3653.77 17,996,438 27458 7040 82.0 56.0 --

Sat, Oct 27, 1973 3645.79 17,016,498 10882 7040 67.0 43.0 --

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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