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 8326.00 cfs

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

Sun, Dec 04, 2011 3644.92 16,591,664 8326 20326 41.0 28.0 56.0

Mon, Nov 15, 2010 3632.34 15,116,557 8326 13909 61.0 42.1 60.0

Wed, Aug 02, 2006 3606.56 12,387,161 8326 13680 88.0 73.0 80.0

Sat, Feb 19, 2005 3559.73 8,302,554 8326 14000 51.1 39.9 50.0

Sat, Jul 07, 2001 3672.33 20,162,644 8326 14020 89.1 68.0 --

Thu, Apr 13, 1972 3612.21 13,226,568 8326 16900 74.0 50.0 --

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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