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 8950 cfs

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

Mon, Oct 19, 1992 3621.69 13,943,114 6248 8950 n/a 50.0 --

Sun, Aug 26, 1990 3642.11 16,253,213 5176 8950 97.0 62.0 --

Tue, Feb 14, 1989 3675.09 20,551,792 6545 8950 55.0 19.0 --

Mon, Feb 04, 1980 3672.91 20,397,350 8907 8950 57.0 33.0 --

Mon, Jul 24, 1978 3652.75 17,754,834 16393 8950 100.0 72.0 --

Tue, May 15, 1973 3600.38 12,015,691 56397 8950 79.0 59.0 --

Fri, Nov 03, 1967 3528.04 6,299,874 8181 8950 64.0 34.0 --

Sat, Jan 28, 1967 3517.49 5,640,938 7591 8950 50.0 31.0 --

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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