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 9930 cfs

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

Thu, Mar 06, 1997 3664.86 19,137,488 9930 26900 53.0 26.0 --

Wed, Feb 14, 1996 3676.94 20,815,820 9930 14300 66.0 33.0 --

Sat, Aug 24, 1985 3692.45 23,129,742 9930 25200 99.0 69.0 --

Sun, Aug 31, 1969 3575.94 9,851,871 9930 11000 93.0 68.0 --

Sun, Aug 10, 1969 3579.28 10,140,691 9930 10800 103.0 77.0 --

Sun, Aug 03, 1969 3580.21 10,221,996 9930 12500 98.0 76.0 --

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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