Lake Powell Water Database

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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 20,400 acre feet of water storage

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

Fri, Jul 12, 1963 20,400 3734 1010 n/a n/a --

Thu, Jul 11, 1963 20,400 3308 1030 n/a n/a --

Wed, Jul 10, 1963 20,400 3486 1920 n/a n/a --

Tue, Jul 09, 1963 20,400 3569 2500 n/a n/a --

Mon, Jul 08, 1963 20,400 3517 2480 n/a n/a --

Sun, Jul 07, 1963 20,400 3644 2470 n/a n/a --

Sat, Jul 06, 1963 20,400 3904 2470 n/a n/a --

Fri, Jul 05, 1963 20,400 4198 2470 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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Copyright Summit Technologies, Inc.
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