Lake Powell Water Database

The earliest data is from Thursday, March 14th, 1963
The most recent data is from Monday, October 21st, 2019

Days where Lake Powell elevation was 3635.65 feet above Sea Level

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

Mon, Jun 18, 2012 3635.65 15495266 4018.00 12548.00 98.6 75.0 72.0

Thu, Apr 26, 2012 3635.65 15495266 838.00 10403.00 73.4 57.0 63.0

Thu, Feb 23, 2012 3635.65 15495266 10305.00 11371.00 60.1 39.9 49.0

Mon, Oct 31, 1977 3635.65 15695205 5565.00 3340.00 69.0 49.0 --

Wed, Oct 26, 1977 3635.65 15695205 4843.00 7860.00 74.0 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