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 6513 cfs

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

Sat, Jul 14, 2007 3609.85 12,715,217 6513 12824 104.0 78.1 81.0

Mon, Sep 09, 2002 3626.98 14,517,386 6513 8340 77.0 60.1 77.0

Fri, Sep 06, 1996 3681.52 21,480,316 6513 14900 90.0 60.0 --

Mon, Feb 01, 1993 3613.68 13,104,284 6513 12400 n/a n/a --

Thu, Apr 16, 1981 3677.44 21,011,710 6513 8150 75.0 51.0 --

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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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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