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 outflow from Lake Powell was 7170 cfs

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

Thu, Nov 21, 2013 3587.62 10,606,427 10572 7170 55.0 45.0 57.0

Sun, Mar 26, 1989 3674.67 20,492,128 10089 7170 73.0 43.0 --

Sun, May 02, 1982 3666.04 19,385,748 22018 7170 83.0 50.0 --

Mon, Jun 15, 1981 3680.58 21,468,246 25431 7170 77.0 53.0 --

Fri, Feb 29, 1980 3674.26 20,587,856 17857 7170 62.0 41.0 --

Sun, Feb 09, 1975 3645.93 16,980,560 9184 7170 55.0 35.0 --

Sun, Mar 10, 1974 3649.14 17,407,686 11746 7170 53.0 39.0 --

Tue, Jan 18, 1966 3536.21 6,851,152 10720 7170 40.0 29.0 --

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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