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 10246 cfs

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

Mon, Jun 06, 2022 3534.40 6,520,892 25158 10246 96.0 69.0 68.0

Sat, May 07, 2005 3565.47 8,745,914 24571 10246 64.0 45.0 57.0

Sun, Aug 03, 2003 3610.13 12,743,378 5327 10246 93.0 69.1 81.0

Fri, Jul 04, 2003 3615.80 13,322,987 10691 10246 102.9 70.0 77.0

Wed, Oct 24, 2001 3662.88 18,872,628 6438 10246 64.0 48.0 65.0

Mon, Mar 12, 2001 3663.55 18,961,940 6558 10246 55.0 33.1 --

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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