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 outflow from Lake Powell was 4030 cfs

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

Sun, Nov 09, 1975 3667.29 19,765,908 9847 4030 66.0 44.0 --

Sun, Jan 05, 1969 3539.56 7,046,476 8257 4030 46.0 27.0 --

Sun, Jan 28, 1968 3525.23 6,110,519 7295 4030 50.0 34.0 --

Thu, Oct 15, 1964 3491.61 4,209,726 6386 4030 82.0 50.0 --

Thu, Mar 12, 1964 3414.90 1,123,997 4543 4030 58.0 35.0 --

Wed, Mar 11, 1964 3414.90 1,123,997 4543 4030 57.0 26.0 --

Tue, Mar 10, 1964 3414.90 1,123,997 4538 4030 51.0 35.0 --

Sat, Mar 07, 1964 3414.80 1,121,002 4680 4030 42.0 30.0 --

Fri, Mar 06, 1964 3414.80 1,121,002 4778 4030 56.0 27.0 --

Sun, Mar 01, 1964 3414.80 1,121,002 4403 4030 60.0 30.0 --

Fri, Feb 07, 1964 3414.50 1,112,000 4711 4030 52.0 21.0 --

Thu, Feb 06, 1964 3414.50 1,112,000 4751 4030 n/a n/a --

Wed, Feb 05, 1964 3414.50 1,112,000 4778 4030 53.0 22.0 --

Tue, Feb 04, 1964 3414.60 1,115,003 4676 4030 49.0 23.0 --

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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