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 10324 cfs

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

Wed, Dec 25, 2019 3609.20 12,649,942 8573 10324 42.0 32.0 52.0

Wed, Oct 16, 2019 3614.05 13,142,288 6982 10324 78.0 47.0 65.0

Tue, Oct 15, 2019 3614.12 13,149,485 7542 10324 76.0 50.0 65.0

Thu, Apr 01, 2010 3619.33 13,692,381 6454 10324 53.1 39.0 52.0

Wed, Mar 31, 2010 3619.41 13,700,829 6906 10324 64.9 46.0 53.0

Tue, Apr 18, 2006 3589.74 10,796,984 20219 10324 57.9 37.9 55.0

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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