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 8669.00 cfs

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

Mon, Apr 02, 2001 3662.85 18,868,666 8669 10676 75.0 55.9 --

Fri, Jan 15, 1988 3684.33 21,896,182 8669 13000 61.0 36.0 --

Thu, Jan 14, 1988 3684.45 21,914,042 8669 14200 50.0 27.0 --

Wed, Jan 17, 1968 3526.08 6,163,977 8669 11600 34.0 12.0 --

Mon, Nov 06, 1967 3528.28 6,315,388 8669 6420 65.0 49.0 --

Thu, Jan 27, 1966 3535.64 6,812,656 8669 10500 45.0 21.0 --

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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