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 9830.00 cfs

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

Tue, May 18, 2010 3621.99 13,975,234 17832 9830 73.0 60.1 60.0

Mon, May 22, 2006 3599.75 11,726,243 29940 9830 81.0 59.0 70.0

Mon, May 02, 1994 3654.25 17,750,542 15841 9830 72.0 44.0 --

Sat, Mar 05, 1994 3655.03 17,849,962 10363 9830 71.0 40.0 --

Mon, Nov 01, 1993 3662.23 18,786,332 9783 9830 57.0 42.0 --

Fri, Oct 01, 1993 3662.46 18,816,834 7620 9830 85.0 52.0 --

Mon, Jun 14, 1993 3657.73 18,197,106 43646 9830 98.0 61.0 --

Sat, Mar 20, 1993 3613.95 13,132,006 16068 9830 67.0 41.0 --

Sat, Apr 04, 1992 3619.38 13,697,578 8830 9830 75.0 45.0 --

Sun, Sep 01, 1991 3631.17 14,984,616 6122 9830 90.0 69.0 --

Sat, Jul 23, 1988 3692.19 23,089,440 6700 9830 104.0 66.0 --

Fri, Nov 21, 1975 3666.81 19,699,944 12275 9830 50.0 25.0 --

Sun, Jul 31, 1966 3540.01 7,112,460 6489 9830 95.0 70.0 --

Sat, Jul 16, 1966 3542.62 7,295,196 6172 9830 99.0 82.0 --

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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