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 8711.00 cfs

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

Tue, Jan 19, 1993 3614.71 13,210,242 8711 13500 52.0 37.0 --

Sun, Jul 15, 1990 3649.60 17,166,412 8711 4780 85.0 68.0 --

Sat, Jan 23, 1988 3683.69 21,800,802 8711 14000 46.0 25.0 --

Sat, Jan 27, 1979 3629.69 14,962,118 8711 14300 33.0 23.0 --

Sun, Jan 23, 1966 3536.06 6,840,844 8711 4740 39.0 23.0 --

Mon, Jan 04, 1965 3491.85 4,215,965 8711 7270 41.0 27.0 --

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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