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 7141.00 cfs

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

Wed, Oct 16, 2013 3591.08 10,918,558 7141 8134 63.0 42.1 66.0

Thu, Feb 07, 2008 3590.25 10,843,152 7141 10449 45.0 27.0 45.0

Sun, Feb 19, 2006 3591.24 10,933,131 7141 12968 46.9 30.9 47.0

Thu, Feb 23, 1989 3674.71 20,497,814 7141 14300 64.0 30.0 --

Tue, Feb 24, 1981 3678.23 21,126,008 7141 7260 66.0 38.0 --

Thu, Oct 29, 1964 3491.81 4,220,123 7141 4240 75.0 49.0 --

Wed, May 13, 1964 3395.50 588,000 7141 1020 88.0 54.0 --

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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