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 11523.00 cfs

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

Sat, Jul 31, 1993 3667.73 19,526,474 11523 15500 100.0 78.0 --

Thu, Aug 06, 1987 3695.32 23,578,250 11523 20400 96.0 69.0 --

Wed, Jan 10, 1973 3604.15 12,386,861 11523 20900 36.0 26.0 --

Sun, Jan 17, 1971 3599.11 11,930,347 11523 3920 49.0 28.0 --

Tue, Aug 05, 1969 3579.94 10,198,370 11523 14300 107.0 77.0 --

Sun, Jan 10, 1965 3491.69 4,207,646 11523 9460 46.0 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