Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 7960.00 cfs

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

Sun, Oct 10, 1993 3662.33 18,799,602 8785 7960 75.0 50.0 --

Sat, Apr 04, 1987 3679.78 21,226,104 13625 7960 64.0 38.0 --

Mon, May 11, 1981 3677.72 21,052,140 14480 7960 81.0 49.0 --

Sat, Jun 02, 1979 3665.60 19,415,500 90812 7960 83.0 50.0 --

Wed, Jan 13, 1971 3598.80 11,900,272 10551 7960 52.0 32.0 --

Fri, Nov 27, 1970 3600.70 12,104,409 12121 7960 57.0 44.0 --

Sun, Mar 29, 1970 3571.33 9,447,062 8807 7960 60.0 42.0 --

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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