Lake Powell Water Database

The earliest data is from Thursday, March 14th, 1963
The most recent data is from Monday, June 17th, 2019

Days where outflow from Lake Powell was 9100 cfs

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

Sun, May 23, 2004 3585.91 10454307 18835 9100 81.0 59.0 64.0

Sun, Feb 05, 1995 3646.66 16803538 6621 9100 60.0 31.0 --

Sat, Sep 09, 1989 3668.40 19617986 4643 9100 100.0 58.0 --

Sun, Dec 25, 1988 3680.20 21287192 5992 9100 53.0 21.0 --

Wed, Jun 02, 1982 3675.60 20716956 45416 9100 84.0 55.0 --

Thu, Jul 06, 1978 3651.52 17598696 33192 9100 n/a 64.0 --

Tue, Dec 03, 1974 3649.45 17446784 9283 9100 50.0 29.0 --

Sun, Sep 08, 1974 3654.55 18097092 5219 9100 97.0 70.0 --

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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