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 8507 cfs

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

Fri, Nov 10, 2023 3572.33 8,694,851 8900 8507 53.4 24.4 65.0

Thu, Nov 09, 2023 3572.38 8,698,672 6819 8507 54.0 25.7 65.0

Sun, Oct 19, 2014 3606.09 12,340,756 9054 8507 n/a n/a --

Wed, Apr 23, 2014 3575.42 9,552,260 20631 8507 68.0 53.1 57.0

Thu, Oct 13, 2005 3602.07 11,948,662 10921 8507 73.0 46.0 69.0

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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