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 6940.00 cfs

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

Tue, Jun 19, 1979 3675.93 20,856,724 62157 6940 94.0 58.0 --

Mon, Oct 24, 1977 3635.79 15,711,535 4654 6940 74.0 46.0 --

Fri, Feb 19, 1971 3602.55 12,267,122 10855 6940 55.0 30.0 --

Mon, Mar 02, 1970 3570.40 9,369,592 10262 6940 55.0 36.0 --

Sun, Feb 23, 1969 3542.27 7,234,757 13185 6940 45.0 32.0 --

Sat, Oct 15, 1966 3527.87 6,299,230 8504 6940 63.0 39.0 --

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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