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 inflow into Lake Powell was 6991.00 cfs

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

Wed, Dec 17, 2014 3599.59 11,711,007 6991 14364 42.1 37.0 55.0

Sat, Feb 18, 2006 3591.38 10,945,884 6991 14085 53.1 27.0 47.0

Wed, Oct 02, 2002 3626.37 14,450,315 6991 8250 n/a n/a 69.0

Tue, Apr 12, 1994 3654.08 17,728,938 6991 11000 66.0 33.0 --

Wed, Oct 17, 1990 3637.25 15,681,000 6991 7980 83.0 54.0 --

Sun, Feb 20, 1977 3651.69 17,647,722 6991 3400 62.0 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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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