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 10201 cfs

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

Sun, Nov 10, 1996 3677.84 20,945,192 10201 7930 63.0 34.0 --

Tue, Oct 31, 1995 3684.58 21,933,068 10201 14000 77.0 50.0 --

Sat, Oct 28, 1995 3684.75 21,958,418 10201 12000 76.0 47.0 --

Fri, Oct 20, 1995 3685.36 22,049,612 10201 15800 80.0 44.0 --

Fri, Oct 22, 1993 3662.33 18,799,602 10201 9380 68.0 43.0 --

Wed, Mar 15, 1989 3674.55 20,475,106 10201 10100 78.0 24.0 --

Fri, Oct 25, 1974 3650.54 17,584,496 10201 10700 69.0 49.0 --

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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