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 outflow from Lake Powell was 13968.00 cfs

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

Wed, Jun 13, 2018 3612.02 12,934,705 8638 13968 100.0 73.0 74.0

Thu, Mar 17, 2005 3557.17 8,109,780 9473 13968 59.0 37.9 52.0

Mon, Mar 22, 2004 3583.60 10,251,094 7282 13968 81.0 52.0 58.0

Mon, Mar 08, 2004 3585.63 10,429,532 5621 13968 66.0 39.9 52.0

Wed, Dec 05, 2001 3659.40 18,414,158 6178 13968 45.0 28.9 --

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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