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 3350 cfs

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

Thu, Mar 29, 1979 3634.30 15,488,763 18652 3350 53.0 39.0 --

Wed, Jun 01, 1977 3654.29 17,979,606 7835 3350 99.0 60.0 --

Thu, Nov 29, 1973 3646.75 17,135,804 13103 3350 48.0 27.0 --

Thu, Nov 22, 1973 3646.44 17,097,202 13125 3350 46.0 36.0 --

Tue, Feb 22, 1972 3608.52 12,846,682 12568 3350 69.0 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