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 4010.00 cfs

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

Thu, Oct 22, 1964 3491.70 4,214,398 7118 4010 81.0 43.0 --

Mon, Mar 09, 1964 3414.80 1,121,002 4751 4010 49.0 23.0 --

Sun, Mar 08, 1964 3414.80 1,121,002 4823 4010 47.0 26.0 --

Thu, Mar 05, 1964 3414.80 1,121,002 4685 4010 63.0 31.0 --

Wed, Mar 04, 1964 3414.80 1,121,002 4558 4010 56.0 28.0 --

Tue, Mar 03, 1964 3414.80 1,121,002 4525 4010 51.0 31.0 --

Mon, Mar 02, 1964 3414.80 1,121,002 4353 4010 59.0 32.0 --

Wed, Feb 26, 1964 3414.70 1,117,999 4904 4010 45.0 24.0 --

Sun, Feb 23, 1964 3414.50 1,112,000 5125 4010 52.0 33.0 --

Sat, Feb 22, 1964 3414.50 1,112,000 5278 4010 52.0 24.0 --

Fri, Feb 21, 1964 3414.50 1,112,000 5357 4010 48.0 24.0 --

Thu, Feb 20, 1964 3414.50 1,112,000 5304 4010 59.0 32.0 --

Wed, Feb 19, 1964 3414.50 1,112,000 5332 4010 58.0 28.0 --

Sat, Feb 08, 1964 3414.50 1,112,000 4533 4010 50.0 19.0 --

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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