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 10730.00 cfs

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

Sun, Jan 17, 2021 3579.01 9,854,962 4806 10730 53.0 28.0 48.0

Sun, Aug 09, 2020 3604.51 12,185,631 3583 10730 86.0 72.0 79.0

Sun, Feb 28, 2016 3594.48 11,230,943 11880 10730 70.0 48.0 50.0

Sun, Feb 21, 2016 3594.85 11,265,277 9859 10730 64.0 39.9 49.0

Sat, Feb 06, 2016 3596.05 11,377,088 6799 10730 28.9 25.0 48.0

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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