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 8746.00 cfs

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

Tue, Aug 11, 2009 3639.92 15,993,623 8746 13278 97.0 68.0 --

Tue, Nov 29, 2005 3602.38 11,978,578 8746 8449 45.0 28.9 56.0

Tue, Jan 23, 1996 3678.67 21,064,986 8746 17600 47.0 19.0 --

Thu, Oct 14, 1971 3613.97 13,431,190 8746 12900 85.0 52.0 --

Fri, Oct 01, 1971 3614.25 13,460,792 8746 8800 74.0 43.0 --

Thu, Sep 05, 1968 3548.11 7,663,990 8746 13600 88.0 61.0 --

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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