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 9129 cfs

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

Sun, Oct 07, 2007 3601.66 11,909,135 9129 9258 60.1 39.9 68.0

Tue, Nov 03, 1981 3671.89 20,222,748 9129 9200 65.0 43.0 --

Thu, Dec 11, 1980 3681.67 21,659,780 9129 19300 45.0 29.0 --

Sun, Dec 24, 1978 3633.45 15,415,227 9129 4060 39.0 22.0 --

Thu, Oct 07, 1976 3663.46 19,214,766 9129 16100 75.0 54.0 --

Tue, Dec 05, 1967 3528.18 6,308,917 9129 9590 48.0 24.0 --

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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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Copyright Summit Technologies, Inc.
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