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 outflow from Lake Powell was 8460.00 cfs

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

Mon, Oct 03, 1994 3654.32 17,759,458 8266 8460 83.0 44.0 --

Tue, Mar 07, 1989 3674.34 20,445,292 7963 8460 78.0 25.0 --

Fri, Sep 21, 1973 3646.17 17,063,584 11070 8460 85.0 62.0 --

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

Mon, Feb 03, 1969 3540.41 7,105,355 13154 8460 45.0 24.0 --

Mon, Oct 07, 1968 3545.47 7,473,808 9887 8460 80.0 54.0 --

Tue, Aug 06, 1968 3547.90 7,648,646 17664 8460 94.0 69.0 --

Sun, Mar 20, 1966 3535.61 6,810,666 21896 8460 75.0 45.0 --

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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