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 10611 cfs

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

Tue, Feb 14, 2017 3594.46 11,229,089 10611 13495 57.0 39.0 50.0

Sun, Aug 01, 1993 3667.63 19,512,804 10611 14300 106.0 77.0 --

Sun, Dec 13, 1987 3686.50 22,221,000 10611 15200 42.0 25.0 --

Wed, Oct 14, 1981 3672.47 20,304,540 10611 9580 64.0 44.0 --

Wed, Dec 12, 1973 3647.37 17,213,008 10611 4730 52.0 26.0 --

Sat, Dec 18, 1971 3609.95 13,013,528 10611 16900 35.0 17.0 --

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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