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 6728.00 cfs

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

Sun, Aug 25, 2019 3619.55 13,715,620 6728 11554 100.0 73.0 80.0

Wed, Aug 03, 2016 3617.66 13,516,804 6728 14934 93.0 75.0 80.0

Tue, Jul 02, 2013 3599.77 11,728,149 6728 14218 n/a n/a 79.0

Thu, Feb 10, 2011 3618.30 13,583,917 6728 18221 41.0 21.9 45.0

Sat, Feb 05, 1994 3656.76 18,071,854 6728 11800 41.0 31.0 --

Mon, Jan 20, 1992 3622.54 14,034,324 6728 13600 42.0 19.0 --

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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