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 30200 cfs

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

Mon, Jun 30, 1986 3694.99 23,526,428 47913 30200 92.0 75.0 --

Tue, Apr 22, 1986 3681.56 21,486,328 28726 30200 86.0 55.0 --

Mon, Apr 21, 1986 3681.57 21,487,800 29192 30200 80.0 49.0 --

Mon, Jul 15, 1985 3698.59 24,096,414 21650 30200 100.0 78.0 --

Fri, Jul 05, 1985 3699.85 24,298,016 28628 30200 106.0 76.0 --

Tue, Jun 11, 1985 3698.38 24,062,782 65317 30200 98.0 68.0 --

Mon, Jun 10, 1985 3697.86 23,979,758 58469 30200 100.0 70.0 --

Wed, Jun 02, 1965 3492.05 4,226,353 34797 30200 81.0 59.0 --

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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