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 7882 cfs

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

Sun, Nov 14, 2004 3570.61 9,156,481 7882 8224 52.0 37.9 60.0

Tue, Mar 17, 1992 3619.59 13,719,754 7882 10500 68.0 40.0 --

Sun, Mar 05, 1989 3674.40 20,453,786 7882 7840 60.0 25.0 --

Thu, Nov 29, 1979 3673.63 20,529,438 7882 14500 58.0 27.0 --

Fri, Mar 24, 1978 3622.72 14,213,050 7882 8300 69.0 48.0 --

Thu, Oct 31, 1968 3543.39 7,325,725 7882 12300 68.0 47.0 --

Thu, Mar 02, 1967 3515.00 5,491,357 7882 10000 70.0 34.0 --

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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