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 12898 cfs

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

Fri, Dec 02, 2016 3605.51 12,283,659 5824 12898 46.0 32.0 57.0

Thu, Jun 28, 2012 3634.20 15,328,549 5055 12898 n/a n/a 76.0

Tue, Jun 25, 2002 3641.74 16,209,450 3955 12898 100.9 70.0 75.0

Fri, Jun 21, 2002 3642.39 16,287,036 4956 12898 98.1 73.0 74.0

Sun, Feb 07, 1999 3680.11 21,274,098 7414 12898 52.0 31.0 --

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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