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 inflow into Lake Powell was 6160.00 cfs

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

Fri, Oct 21, 2022 3529.99 5,836,504 6160 7826 77.0 53.0 71.0

Sun, Jan 04, 2015 3597.12 11,477,376 6160 12691 30.9 21.2 51.0

Wed, Feb 19, 2014 3576.47 9,640,148 6160 11064 69.1 43.0 46.0

Thu, Dec 27, 2001 3656.63 18,055,098 6160 13838 48.0 30.0 --

Sun, Jul 24, 1966 3541.07 7,186,412 6160 10300 99.0 70.0 --

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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