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 6840 cfs

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

Wed, Oct 26, 1994 3653.80 17,693,372 8050 6840 73.0 44.0 --

Sat, Mar 28, 1981 3677.82 21,066,592 5977 6840 58.0 36.0 --

Sat, May 20, 1978 3630.99 15,133,529 35555 6840 85.0 58.0 --

Thu, Apr 03, 1975 3646.06 16,996,648 6775 6840 59.0 31.0 --

Mon, Sep 10, 1973 3645.66 17,000,428 12156 6840 84.0 50.0 --

Sun, Jan 16, 1972 3608.53 12,847,702 11915 6840 48.0 24.0 --

Fri, Nov 13, 1970 3600.57 12,091,663 11503 6840 58.0 44.0 --

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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