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 6351.00 cfs

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

Tue, Jan 17, 2023 3524.24 5,501,285 6351 8165 42.6 35.6 45.0

Wed, Feb 28, 2001 3664.01 19,023,432 6351 11815 46.9 37.0 47.0

Sun, Dec 02, 1990 3636.19 15,558,033 6351 6370 53.0 26.0 --

Mon, Mar 09, 1981 3678.20 21,121,640 6351 8510 60.0 39.0 --

Mon, Oct 02, 1978 3640.00 16,182,667 6351 12300 86.0 60.0 --

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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