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 7109 cfs

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

Tue, Nov 08, 1994 3653.32 17,632,528 7109 8610 63.0 44.0 --

Mon, Nov 23, 1992 3619.96 13,758,994 7109 10200 52.0 32.0 --

Mon, Feb 03, 1992 3621.12 13,882,292 7109 11600 53.0 28.0 --

Mon, Nov 19, 1990 3636.83 15,632,289 7109 11100 63.0 39.0 --

Sun, Feb 01, 1981 3679.42 21,299,000 7109 19300 50.0 38.0 --

Mon, Feb 13, 1978 3624.33 14,389,086 7109 11200 49.0 31.0 --

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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