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 inflow into Lake Powell was 9758.00 cfs

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

Tue, Aug 18, 1998 3692.86 23,193,676 9758 21600 94.0 65.0 --

Thu, Mar 07, 1996 3675.77 20,648,570 9758 14400 61.0 33.0 --

Mon, Nov 22, 1993 3661.69 18,714,860 9758 10100 55.0 34.0 --

Tue, Oct 21, 1980 3686.05 22,312,342 9758 12400 67.0 37.0 --

Wed, Nov 29, 1978 3636.24 15,739,079 9758 14000 51.0 31.0 --

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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