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 Lake Powell elevation was 3612.35 feet above Sea Level

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

Fri, Mar 30, 2018 3612.35 12,968,302 4267.00 13447.00 73.0 46.0 51.0

Tue, Jun 14, 2016 3612.35 12,968,302 57725.00 13771.00 91.0 62.0 74.0

Tue, Aug 04, 2015 3612.35 12,968,302 10258.00 13532.00 98.1 72.0 79.0

Mon, Dec 17, 2012 3612.35 12,968,302 6037.00 13365.00 44.1 33.1 53.0

Sun, Mar 20, 2011 3612.35 12,968,302 11889.00 18157.00 61.0 44.1 51.0

Wed, Feb 19, 2003 3612.35 12,968,312 5612.00 12864.00 50.0 33.1 47.0

Fri, Nov 26, 1971 3612.35 13,262,077 11742.00 9750.00 54.0 32.0 --

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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