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 6527 cfs

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

Tue, Mar 05, 2013 3601.06 11,851,481 6527 9950 57.0 35.1 46.0

Wed, Jan 24, 2007 3600.28 11,776,807 6527 13322 48.0 25.0 46.0

Sat, Apr 09, 1977 3651.68 17,646,456 6527 6700 84.0 48.0 --

Sun, Sep 15, 1974 3653.70 17,987,446 6527 6620 75.0 57.0 --

Sat, Sep 09, 1972 3607.54 12,747,039 6527 15100 88.0 69.0 --

Sun, Sep 22, 1963 491,400 6527 1010 87.0 59.0 --

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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