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 outflow from Lake Powell was 10257 cfs

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

Wed, Apr 14, 2010 3618.62 13,617,555 9191 10257 70.0 41.0 55.0

Fri, Mar 27, 2009 3610.54 12,784,732 8161 10257 53.1 30.9 51.0

Tue, Apr 08, 2008 3590.76 10,889,447 14726 10257 66.9 37.0 52.0

Wed, Apr 02, 2008 3589.91 10,812,352 14109 10257 68.0 41.0 52.0

Mon, Nov 12, 2007 3599.98 11,748,165 8301 10257 64.0 48.0 62.0

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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