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 inflow into Lake Powell was 10344.00 cfs

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

Sun, Oct 02, 2011 3652.84 17,571,820 10344 15505 82.9 69.8 74.0

Tue, Nov 25, 1980 3682.90 21,841,096 10344 17200 n/a n/a --

Thu, Feb 14, 1980 3672.63 20,357,734 10344 12300 44.0 34.0 --

Tue, Feb 27, 1979 3627.93 14,764,212 10344 9440 55.0 34.0 --

Sat, Apr 24, 1976 3664.56 19,363,454 10344 14700 81.0 50.0 --

Tue, Feb 26, 1974 3648.52 17,329,776 10344 8010 52.0 30.0 --

Tue, Feb 12, 1974 3648.07 17,273,274 10344 4760 49.0 25.0 --

Tue, Feb 05, 1974 3647.53 17,206,044 10344 2760 48.0 29.0 --

Thu, Feb 10, 1972 3607.34 12,726,749 10344 10500 53.0 30.0 --

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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