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 inflow into Lake Powell was 6394.00 cfs

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

Tue, Nov 28, 2023 3571.59 8,638,422 6394 8489 42.4 23.4 61.0

Sun, Jan 08, 2023 3524.62 5,523,078 6394 7900 37.8 29.1 48.0

Sun, Dec 22, 2013 3585.28 10,398,631 6394 8908 45.0 33.1 48.0

Tue, Jan 04, 2011 3625.87 14,395,483 6394 14152 35.1 23.0 49.0

Thu, Dec 02, 2010 3629.99 14,851,718 6394 13798 46.9 28.0 53.0

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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