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 9390.00 cfs

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

Sat, May 06, 1995 3647.44 16,899,154 21527 9390 70.0 41.0 --

Mon, Apr 02, 1990 3651.01 17,342,252 5939 9390 69.0 42.0 --

Sun, Jun 18, 1989 3678.48 21,037,598 13348 9390 100.0 69.0 --

Thu, Mar 18, 1976 3664.88 19,406,950 9478 9390 77.0 36.0 --

Sun, Dec 20, 1970 3600.51 12,085,768 10948 9390 39.0 30.0 --

Sat, Dec 12, 1970 3601.09 12,142,699 11079 9390 46.0 27.0 --

Tue, Oct 07, 1969 3574.07 9,692,883 13335 9390 69.0 44.0 --

Sun, Aug 28, 1966 3534.47 6,734,014 5197 9390 96.0 70.0 --

Thu, Jan 28, 1965 3491.57 4,201,419 10424 9390 49.0 25.0 --

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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