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 22600.00 cfs

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

Sat, Aug 22, 1987 3692.69 23,166,940 6776 22600 86.0 65.0 --

Sat, Nov 15, 1986 3688.81 22,570,938 18005 22600 63.0 38.0 --

Fri, Nov 18, 1983 3691.45 23,039,430 15565 22600 55.0 43.0 --

Wed, Jun 01, 1983 3695.93 23,738,470 89579 22600 88.0 62.0 --

Tue, Aug 05, 1980 3695.34 23,742,428 7305 22600 100.0 67.0 --

Fri, Aug 19, 1977 3644.78 16,786,184 12237 22600 96.0 69.0 --

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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