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 13842 cfs

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

Fri, Jan 31, 2014 3578.69 9,827,727 5611 13842 48.0 37.9 45.0

Thu, Nov 18, 2010 3631.93 15,070,110 7938 13842 54.0 32.0 59.0

Wed, Nov 03, 2010 3633.76 15,278,211 8782 13842 71.1 45.0 63.0

Wed, Jul 09, 2008 3633.15 15,208,618 29067 13842 100.0 72.0 78.0

Wed, Jun 23, 2004 3586.81 10,534,202 11884 13842 93.9 64.0 73.0

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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