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 7462.00 cfs

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

Mon, Feb 28, 2011 3614.95 13,235,015 7462 15651 48.9 28.9 45.0

Tue, Jan 22, 2002 3653.53 17,659,124 7462 13775 53.1 27.0 47.0

Thu, Jan 28, 1999 3680.80 21,374,822 7462 14327 42.0 27.0 --

Sun, Nov 22, 1981 3670.89 20,083,348 7462 5870 55.0 34.0 --

Sat, Dec 01, 1979 3673.35 20,490,028 7462 15200 47.0 23.0 --

Fri, Sep 15, 1978 3642.20 16,446,194 7462 14900 81.0 57.0 --

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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