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 8207.00 cfs

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

Tue, Apr 22, 2003 3605.43 12,275,790 8207 10464 63.0 37.9 53.0

Mon, Feb 15, 1999 3679.68 21,211,476 8207 14584 55.0 32.0 --

Wed, Mar 23, 1994 3654.77 17,816,780 8207 10900 72.0 37.0 --

Mon, Mar 11, 1968 3524.63 6,072,584 8207 13100 55.0 34.0 --

Sun, Mar 26, 1967 3512.77 5,359,497 8207 7860 71.0 45.0 --

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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