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 28900 cfs

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

Sat, Jan 03, 1987 3683.80 21,817,208 15583 28900 56.0 30.0 --

Thu, Jun 26, 1986 3694.15 23,394,534 51432 28900 95.0 64.0 --

Thu, Apr 26, 1973 3590.93 11,119,218 15424 28900 78.0 52.0 --

Mon, Apr 16, 1973 3593.01 11,312,510 15957 28900 71.0 43.0 --

Mon, Apr 09, 1973 3595.23 11,521,519 10809 28900 68.0 35.0 --

Fri, Apr 06, 1973 3596.16 11,609,501 11637 28900 74.0 49.0 --

Mon, May 10, 1965 3491.38 4,191,539 34742 28900 71.0 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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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