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 8706 cfs

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

Fri, Mar 19, 2010 3619.88 13,750,527 8706 9928 57.0 41.0 51.0

Sat, Mar 26, 2005 3556.30 8,044,932 8706 14038 55.9 36.0 52.0

Fri, Jul 06, 2001 3672.51 20,187,846 8706 13892 95.0 69.1 --

Wed, Mar 29, 1978 3622.64 14,204,295 8706 10700 77.0 50.0 --

Wed, Nov 01, 1967 3528.16 6,307,623 8706 8980 69.0 39.0 --

Sat, Mar 05, 1966 3533.90 6,695,508 8706 10100 46.0 40.0 --

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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