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 10809 cfs

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

Thu, Apr 18, 2024 3558.22 7,661,227 10809 10181 76.4 56.5 --

Sun, Apr 12, 1992 3619.49 13,709,194 10809 8180 84.0 54.0 --

Mon, Aug 25, 1975 3672.63 20,510,652 10809 13900 94.0 64.0 --

Thu, Apr 12, 1973 3594.22 11,426,073 10809 28000 73.0 47.0 --

Mon, Apr 09, 1973 3595.23 11,521,519 10809 28900 68.0 35.0 --

Thu, Apr 04, 1963 10809 1030 66.0 36.0 --

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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