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 7900 cfs

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

Sun, Jan 08, 2023 3524.62 5,523,078 6394 7900 37.8 29.1 48.0

Sat, Sep 04, 2004 3571.67 9,242,725 4268 7900 n/a n/a 74.0

Sun, Nov 27, 1994 3652.50 17,528,916 6788 7900 51.0 24.0 --

Fri, Nov 30, 1990 3636.24 15,563,839 6734 7900 41.0 27.0 --

Wed, Apr 05, 1978 3623.15 14,260,006 14149 7900 73.0 39.0 --

Sat, Nov 25, 1972 3609.60 12,957,067 13799 7900 50.0 35.0 --

Sat, Aug 05, 1967 3531.78 6,544,214 7532 7900 99.0 74.0 --

Tue, Feb 02, 1965 3491.47 4,196,219 9972 7900 59.0 32.0 --

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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