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 outflow from Lake Powell was 9888.00 cfs

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

Wed, Dec 01, 2021 3541.76 7,010,147 7189 9888 56.0 34.0 54.0

Mon, Oct 27, 2014 3605.81 12,313,170 9361 9888 69.1 52.0 65.0

Fri, Oct 05, 2007 3601.65 11,908,172 9509 9888 79.0 55.0 69.0

Fri, Dec 17, 2004 3565.63 8,758,494 6538 9888 45.0 28.0 53.0

Sat, Feb 02, 2002 3652.15 17,484,814 2998 9888 41.0 23.0 --

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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