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 inflow into Lake Powell was 7673.00 cfs

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

Thu, Aug 22, 2019 3619.97 13,760,057 7673 15972 99.0 70.0 80.0

Mon, Mar 20, 2000 3677.09 20,837,358 7673 11560 66.0 28.0 50.0

Thu, Feb 27, 1992 3619.90 13,752,440 7673 10900 63.0 34.0 --

Wed, Feb 26, 1992 3619.97 13,759,832 7673 11700 62.0 36.0 --

Wed, Feb 11, 1981 3678.44 21,156,532 7673 15300 52.0 28.0 --

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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