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 outflow from Lake Powell was 8810.00 cfs

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

Fri, Oct 02, 1992 3622.89 14,071,890 6434 8810 n/a 52.0 --

Tue, Apr 16, 1991 3627.18 14,539,792 9591 8810 77.0 45.0 --

Thu, Sep 30, 1982 3687.27 22,432,382 16200 8810 78.0 54.0 --

Sun, May 04, 1980 3679.37 21,323,034 41124 8810 n/a n/a --

Sun, May 26, 1974 3661.20 18,970,422 34065 8810 93.0 61.0 --

Tue, Apr 30, 1974 3652.34 17,813,276 21095 8810 75.0 50.0 --

Fri, Sep 07, 1973 3645.41 16,969,554 12067 8810 98.0 67.0 --

Sun, Oct 10, 1965 3530.99 6,512,779 12924 8810 88.0 51.0 --

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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