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 10347 cfs

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

Tue, Apr 23, 2024 3558.69 7,694,245 15189 10347 77.7 59.4 --

Sat, Jun 22, 2019 3605.35 12,267,939 65470 10347 81.0 61.0 70.0

Fri, Apr 03, 2015 3591.06 10,916,737 15168 10347 59.0 37.0 56.0

Mon, Jun 21, 2010 3637.39 15,697,009 31908 10347 91.0 63.0 73.0

Wed, Dec 01, 2004 3567.18 8,881,077 7002 10347 39.0 25.0 53.0

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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