Lake Powell Water Database

The earliest data is from Thursday, March 14th, 1963
The most recent data is from Saturday, October 12th, 2019

Days where Lake Powell elevation was 3645.82 feet above Sea Level

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

Tue, Nov 29, 2011 3645.82 16701017 8141.00 20703.00 55.9 36.0 58.0

Wed, Feb 12, 1975 3645.82 16967028 9557.00 10000.00 52.0 30.0 --

Tue, Feb 11, 1975 3645.82 16967028 8961.00 10700.00 50.0 29.0 --

Fri, Nov 02, 1973 3645.82 17020206 11701.00 9520.00 74.0 60.0 --

Fri, Oct 12, 1973 3645.82 17020206 10979.00 7390.00 68.0 48.0 --

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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