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 outflow from Lake Powell was 9850 cfs

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

Sat, Feb 04, 1995 3646.72 16,810,886 6545 9850 61.0 32.0 --

Mon, Sep 07, 1992 3625.50 14,355,500 7757 9850 88.0 63.0 --

Wed, Dec 09, 1981 3670.01 19,960,540 7386 9850 47.0 41.0 --

Wed, Feb 04, 1970 3569.35 9,282,808 9642 9850 56.0 30.0 --

Sat, Jan 20, 1968 3525.70 6,139,992 8140 9850 36.0 13.0 --

Fri, Jan 27, 1967 3517.50 5,641,536 7612 9850 50.0 29.0 --

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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