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 7800 cfs

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

Sat, Jun 05, 1993 3651.90 17,453,370 77979 7800 89.0 60.0 --

Sat, Oct 17, 1992 3621.80 13,954,895 6045 7800 n/a 50.0 --

Fri, Apr 14, 1989 3674.74 20,502,078 11237 7800 76.0 46.0 --

Fri, Mar 27, 1981 3677.81 21,065,148 6322 7800 73.0 36.0 --

Fri, Feb 07, 1975 3645.89 16,975,628 9493 7800 45.0 28.0 --

Thu, Jan 02, 1969 3539.42 7,036,783 8965 7800 40.0 23.0 --

Sun, Nov 13, 1966 3525.92 6,173,871 7915 7800 61.0 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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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