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 6098.00 cfs

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

Fri, Aug 31, 2012 3623.62 14,150,670 6098 9262 91.0 70.0 79.0

Thu, Nov 20, 2003 3601.17 11,862,031 6098 8151 55.0 36.0 60.0

Wed, Jan 23, 2002 3653.41 17,643,906 6098 13747 37.9 25.0 47.0

Wed, Feb 01, 1989 3676.48 20,749,638 6098 13100 50.0 25.0 --

Mon, Oct 31, 1988 3684.19 21,875,302 6098 8400 73.0 47.0 --

Mon, Oct 15, 1979 3677.05 21,017,522 6098 5980 79.0 57.0 --

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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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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