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 outflow from Lake Powell was 7220 cfs

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

Sun, Oct 16, 1994 3653.92 17,708,590 7089 7220 54.0 36.0 --

Sun, Mar 27, 1983 3684.49 21,983,340 15286 7220 60.0 42.0 --

Thu, Dec 25, 1980 3681.22 21,593,532 9543 7220 52.0 31.0 --

Sat, Apr 15, 1978 3624.73 14,433,208 15024 7220 77.0 49.0 --

Sun, Mar 26, 1978 3622.74 14,215,239 8400 7220 71.0 43.0 --

Wed, Dec 10, 1975 3667.60 19,808,518 12179 7220 51.0 32.0 --

Sat, Feb 13, 1971 3602.05 12,217,622 12217 7220 61.0 32.0 --

Sun, Nov 10, 1968 3542.95 7,294,656 9013 7220 66.0 47.0 --

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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