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 29700 cfs

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

Wed, Nov 05, 1997 3688.00 22,447,452 15090 29700 66.0 39.0 --

Sat, Jul 26, 1986 3699.91 24,307,586 36346 29700 n/a n/a --

Thu, Jul 11, 1985 3699.12 24,181,218 24388 29700 101.0 76.0 --

Tue, Jul 09, 1985 3699.37 24,221,218 25752 29700 103.0 78.0 --

Sun, Jul 22, 1984 3702.09 24,692,980 35525 29700 84.0 64.0 --

Sat, Jul 21, 1984 3702.16 24,704,294 37986 29700 98.0 72.0 --

Wed, Jun 18, 1980 3698.51 24,245,152 63526 29700 n/a n/a --

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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