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 inflow into Lake Powell was 9961.00 cfs

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

Tue, Apr 16, 2024 3558.21 7,660,526 9961 10479 70.8 46.9 --

Tue, Apr 09, 2019 3568.64 8,997,607 9961 12279 80.0 54.0 55.0

Tue, Mar 23, 1999 3677.83 20,943,750 9961 13288 65.0 n/a --

Fri, Mar 08, 1996 3675.74 20,644,290 9961 13800 60.0 35.0 --

Tue, Oct 26, 1993 3662.36 18,803,586 9961 9340 72.0 50.0 --

Fri, Feb 05, 1988 3682.85 21,675,964 9961 13300 47.0 23.0 --

Tue, Feb 12, 1980 3672.67 20,363,396 9961 10100 59.0 28.0 --

Mon, Feb 10, 1969 3540.92 7,140,752 9961 7610 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