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 6166.00 cfs

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

Fri, Dec 30, 1988 3679.80 21,229,008 6166 6390 48.0 13.0 --

Thu, Dec 22, 1988 3680.52 21,333,922 6166 15700 62.0 22.0 --

Fri, Dec 09, 1988 3681.56 21,486,328 6166 12300 55.0 28.0 --

Mon, Feb 13, 1967 3516.13 5,558,877 6166 8720 59.0 32.0 --

Fri, Dec 18, 1964 3491.27 4,192,041 6166 6000 34.0 20.0 --

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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