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 22300.00 cfs

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

Sat, Jun 21, 1997 3691.29 22,950,652 60491 22300 n/a 66.0 --

Sun, Aug 02, 1987 3695.83 23,658,322 13215 22300 98.0 72.0 --

Tue, Nov 18, 1986 3688.68 22,551,030 18446 22300 67.0 48.0 --

Sun, Sep 22, 1985 3686.70 22,250,992 18361 22300 83.0 51.0 --

Tue, Apr 16, 1985 3678.95 21,105,742 40601 22300 84.0 54.0 --

Thu, Dec 06, 1984 3688.46 22,549,278 15001 22300 48.0 27.0 --

Sun, May 29, 1983 3693.55 23,365,146 62563 22300 91.0 71.0 --

Wed, Jan 31, 1979 3628.84 14,866,510 8246 22300 26.0 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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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