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 25900.00 cfs

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

Fri, Dec 12, 1986 3686.57 22,231,510 18814 25900 46.0 24.0 --

Thu, Mar 27, 1986 3681.01 21,405,472 18103 25900 78.0 51.0 --

Wed, May 15, 1985 3692.99 23,213,448 69317 25900 87.0 53.0 --

Thu, Mar 07, 1985 3675.05 20,546,106 16801 25900 65.0 31.0 --

Sat, Mar 02, 1985 3675.82 20,655,450 15591 25900 61.0 34.0 --

Wed, Oct 26, 1983 3695.18 23,620,648 15615 25900 69.0 51.0 --

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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