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 10140.00 cfs

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

Tue, Dec 05, 2023 3570.98 8,592,097 7140 10140 55.5 27.9 60.0

Sat, May 27, 2017 3616.66 13,412,372 42917 10140 82.0 62.0 66.0

Fri, Sep 04, 2009 3637.21 15,676,054 7863 10140 93.0 66.9 78.0

Wed, May 16, 2007 3604.21 12,156,322 23102 10140 88.0 60.1 67.0

Mon, Oct 29, 2001 3662.53 18,826,134 6238 10140 n/a n/a 65.0

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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