Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where inflow into Lake Powell was 9007.00 cfs

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

Sun, Nov 13, 2005 3602.74 12,013,413 9007 8409 61.0 41.0 62.0

Sun, Jan 16, 1994 3658.25 18,264,506 9007 10300 55.0 24.0 --

Tue, May 17, 1977 3653.30 17,852,760 9007 6990 71.0 52.0 --

Tue, Jan 28, 1975 3645.75 16,958,398 9007 9160 57.0 19.0 --

Sat, Jan 31, 1970 3569.37 9,284,455 9007 8460 52.0 30.0 --

Wed, Jan 01, 1969 3539.39 7,034,706 9007 5020 41.0 24.0 --

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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