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 6768 cfs

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

Mon, Aug 27, 2012 3624.09 14,201,555 6768 13483 93.9 72.0 79.0

Sun, Apr 05, 2009 3610.22 12,752,458 6768 9712 57.0 32.0 51.0

Sun, Feb 10, 1991 3630.22 14,877,747 6768 4890 58.0 31.0 --

Thu, Feb 26, 1981 3678.16 21,115,820 6768 10500 64.0 43.0 --

Sun, Oct 09, 1977 3636.13 15,751,215 6768 5210 79.0 52.0 --

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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