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 6449 cfs

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

Wed, Dec 13, 2023 3570.31 8,541,412 6449 10260 47.2 30.2 59.0

Fri, Mar 23, 2001 3662.98 18,885,946 6449 10692 71.1 46.9 --

Tue, Jan 31, 1995 3646.98 16,842,724 6449 12100 49.0 28.0 --

Thu, Aug 20, 1992 3627.30 14,553,005 6449 14400 102.0 72.0 --

Mon, Dec 12, 1988 3681.41 21,464,258 6449 11000 53.0 28.0 --

Sun, Jan 08, 1967 3519.88 5,786,422 6449 6580 37.0 14.0 --

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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