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 6438 cfs

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

Sun, Jan 29, 2006 3594.59 11,241,152 6438 11534 53.1 30.9 47.0

Mon, Nov 26, 2001 3660.47 18,554,196 6438 10888 41.0 27.0 58.0

Wed, Oct 24, 2001 3662.88 18,872,628 6438 10246 64.0 48.0 65.0

Mon, Jan 23, 1995 3647.76 16,938,502 6438 12500 47.0 28.0 --

Sun, Jan 17, 1993 3614.74 13,213,339 6438 11100 51.0 38.0 --

Fri, Mar 01, 1991 3628.97 14,738,152 6438 10400 55.0 42.0 --

Sat, Dec 10, 1988 3681.51 21,478,972 6438 8360 51.0 24.0 --

Sun, Jul 26, 1981 3678.68 21,191,420 6438 13200 100.0 74.0 --

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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