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 7520 cfs

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

Sat, Apr 30, 1988 3683.61 21,788,906 14653 7520 80.0 49.0 --

Mon, Oct 09, 1978 3639.52 16,125,709 5552 7520 83.0 56.0 --

Mon, Apr 07, 1975 3646.14 17,006,560 7260 7520 50.0 16.0 --

Sat, Mar 01, 1969 3543.07 7,291,180 11929 7520 n/a n/a --

Fri, Jan 03, 1969 3539.44 7,038,168 8754 7520 47.0 26.0 --

Tue, Mar 30, 1965 3491.82 4,214,406 10658 7520 71.0 44.0 --

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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