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 Lake Powell had 16,583,191 acre feet of water storage

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

Thu, May 16, 2002 3644.85 16,583,191 5390 10500 n/a n/a --

Wed, May 15, 2002 3644.85 16,583,191 5309 10381 n/a n/a --

Wed, Mar 22, 1995 3644.85 16,583,191 11868 10600 n/a n/a --

Mon, Mar 20, 1995 3644.85 16,583,191 10638 10300 n/a n/a --

Sun, Mar 12, 1995 3644.85 16,583,191 8075 8310 n/a n/a --

Sat, Mar 11, 1995 3644.85 16,583,191 7638 8590 n/a n/a --

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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