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 6788.00 cfs

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

Sun, Jun 28, 2020 3610.82 12,813,017 6788 8783 95.0 78.0 75.0

Tue, Aug 30, 2016 3613.71 13,107,369 6788 15394 93.0 64.0 76.0

Fri, Aug 03, 2007 3606.98 12,428,715 6788 13355 89.1 73.0 --

Sun, Dec 18, 2005 3599.69 11,720,523 6788 11965 43.0 28.9 50.0

Sun, Nov 27, 1994 3652.50 17,528,916 6788 7900 51.0 24.0 --

Sun, Aug 27, 1989 3670.52 19,910,282 6788 12200 90.0 62.0 --

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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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Copyright Summit Technologies, Inc.
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