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 8920.00 cfs

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

Mon, Jan 02, 1995 3649.87 17,199,556 6956 8920 43.0 26.0 --

Sun, Nov 14, 1993 3661.85 18,736,034 11105 8920 52.0 36.0 --

Thu, Oct 21, 1993 3662.33 18,799,602 10579 8920 72.0 42.0 --

Thu, Mar 09, 1978 3622.35 14,172,611 10058 8920 64.0 42.0 --

Sat, Feb 25, 1978 3623.17 14,262,188 5508 8920 64.0 34.0 --

Sun, Sep 28, 1975 3668.37 19,914,808 8156 8920 90.0 60.0 --

Mon, Nov 15, 1965 3531.30 6,533,489 11668 8920 63.0 46.0 --

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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