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 7780 cfs

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

Sun, Nov 17, 1996 3677.77 20,935,100 9950 7780 52.0 35.0 --

Sun, Oct 24, 1993 3662.35 18,802,258 10088 7780 69.0 44.0 --

Thu, Oct 01, 1981 3671.92 20,226,934 7175 7780 87.0 59.0 --

Fri, Mar 06, 1981 3678.20 21,121,640 6743 7780 57.0 38.0 --

Sun, Feb 17, 1980 3672.72 20,370,478 12079 7780 53.0 42.0 --

Thu, Apr 27, 1978 3626.35 14,611,978 14606 7780 79.0 52.0 --

Fri, Apr 14, 1978 3624.55 14,413,355 13388 7780 78.0 47.0 --

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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