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 8840 cfs

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

Sat, Oct 30, 1993 3662.26 18,790,312 9704 8840 65.0 36.0 --

Mon, Oct 04, 1993 3662.37 18,804,914 7451 8840 91.0 54.0 --

Sun, Jul 23, 1989 3674.50 20,468,000 3854 8840 100.0 76.0 --

Mon, Apr 29, 1974 3652.06 17,777,486 19244 8840 71.0 48.0 --

Tue, Oct 01, 1968 3545.29 7,460,956 8832 8840 n/a n/a --

Mon, Jan 30, 1967 3517.49 5,640,938 7591 8840 55.0 32.0 --

Sun, Aug 21, 1966 3535.86 6,827,368 5122 8840 93.0 68.0 --

Thu, Nov 18, 1965 3531.26 6,530,812 11790 8840 61.0 45.0 --

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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