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 inflow into Lake Powell was 10270 cfs

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

Sat, Sep 29, 2007 3601.86 11,928,417 10270 9680 77.0 51.1 71.0

Thu, Nov 03, 2005 3602.79 12,018,260 10270 8743 73.0 50.0 65.0

Sun, Nov 21, 1999 3686.04 22,151,576 10270 16661 67.0 38.0 --

Sat, Mar 08, 1997 3664.35 19,068,996 10270 26900 63.0 32.0 --

Wed, Feb 13, 1980 3672.65 20,360,564 10270 11300 50.0 29.0 --

Sat, Feb 23, 1974 3648.44 17,319,720 10270 7540 63.0 28.0 --

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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