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 5790 cfs

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

Fri, May 03, 1991 3627.92 14,621,191 9578 5790 66.0 42.0 --

Sun, Apr 03, 1983 3685.00 22,059,428 15471 5790 68.0 39.0 --

Fri, Feb 08, 1974 3647.73 17,230,904 10748 5790 41.0 22.0 --

Sun, May 27, 1973 3613.47 13,336,583 64886 5790 77.0 53.0 --

Sat, Oct 31, 1970 3599.84 12,020,180 11552 5790 70.0 41.0 --

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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