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 8730 cfs

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

Fri, Apr 22, 2022 3522.24 5,758,561 3667 8730 68.0 49.0 55.0

Wed, Oct 12, 1994 3654.02 17,721,306 7840 8730 80.0 36.0 --

Sat, May 07, 1994 3654.54 17,787,464 13381 8730 86.0 55.0 --

Mon, May 02, 1988 3683.76 21,811,242 13460 8730 67.0 39.0 --

Mon, Nov 16, 1970 3600.74 12,108,339 11668 8730 51.0 31.0 --

Sat, Mar 08, 1969 3543.84 7,345,484 12763 8730 n/a n/a --

Mon, Nov 20, 1967 3528.55 6,332,843 9104 8730 64.0 41.0 --

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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