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 6354 cfs

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

Tue, Mar 02, 2010 3620.06 13,769,592 6354 10067 55.9 36.0 50.0

Tue, Jan 24, 1995 3647.68 16,928,652 6354 13000 48.0 33.0 --

Mon, Apr 23, 1990 3649.81 17,192,448 6354 8090 78.0 54.0 --

Fri, Jan 27, 1989 3677.08 20,835,532 6354 16600 60.0 18.0 --

Thu, Jul 27, 1972 3616.26 13,651,952 6354 21600 98.0 71.0 --

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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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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