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 7610 cfs

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

Mon, Oct 31, 2022 3529.92 5,832,351 8205 7610 63.0 33.6 62.0

Sat, Oct 12, 1991 3628.00 14,630,000 5988 7610 86.0 60.0 --

Sat, Mar 21, 1981 3677.98 21,089,682 6031 7610 61.0 32.0 --

Mon, Feb 10, 1969 3540.92 7,140,752 9961 7610 n/a n/a --

Sat, Dec 30, 1967 3526.87 6,225,104 10654 7610 31.0 15.0 --

Fri, Feb 18, 1966 3533.89 6,694,840 8758 7610 46.0 26.0 --

Tue, Mar 23, 1965 3491.10 4,177,005 9543 7610 71.0 41.0 --

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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