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 6420 cfs

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

Sat, Jun 11, 1988 3690.30 22,798,208 28476 6420 97.0 56.0 --

Sun, Oct 13, 1985 3686.00 22,146,000 17992 6420 63.0 53.0 --

Mon, Apr 06, 1981 3677.60 21,034,834 4807 6420 70.0 40.0 --

Sun, Apr 29, 1979 3645.81 16,859,446 35453 6420 79.0 54.0 --

Mon, Nov 06, 1967 3528.28 6,315,388 8669 6420 65.0 49.0 --

Sun, Mar 28, 1965 3491.69 4,207,646 12326 6420 62.0 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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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