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 44500 cfs

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

Tue, Jun 03, 1986 3685.84 22,122,014 62968 44500 88.0 68.0 --

Sun, May 26, 1985 3694.54 23,455,786 49044 44500 92.0 69.0 --

Thu, Jun 14, 1984 3696.00 23,717,238 81246 44500 95.0 59.0 --

Tue, Jun 12, 1984 3695.32 23,610,456 89537 44500 96.0 54.0 --

Mon, Jun 11, 1984 3694.86 23,538,226 99651 44500 92.0 54.0 --

Wed, Jun 06, 1984 3691.96 23,085,928 97122 44500 79.0 59.0 --

Wed, May 30, 1984 3687.05 22,335,418 119038 44500 94.0 62.0 --

Tue, May 29, 1984 3686.09 22,191,284 120538 44500 96.0 62.0 --

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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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Copyright Summit Technologies, Inc.
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