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 inflow into Lake Powell was 12845 cfs

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

Thu, Jan 26, 1984 3681.11 21,451,620 12845 24200 49.0 29.0 --

Fri, Mar 05, 1982 3662.98 18,974,330 12845 10500 56.0 34.0 --

Sat, Mar 11, 1972 3610.85 13,085,648 12845 5080 76.0 45.0 --

Wed, Mar 08, 1972 3610.54 13,053,697 12845 9120 80.0 45.0 --

Sat, Apr 17, 1965 3491.21 4,182,712 12845 14200 88.0 48.0 --

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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