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 43900.00 cfs

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

Sat, May 25, 1985 3694.46 23,443,214 49231 43900 88.0 64.0 --

Thu, May 23, 1985 3694.24 23,408,678 48505 43900 87.0 57.0 --

Wed, Jul 11, 1984 3702.32 24,730,248 49770 43900 n/a n/a --

Sun, Jul 08, 1984 3702.46 24,752,916 61058 43900 100.0 72.0 --

Sat, Jul 07, 1984 3702.46 24,752,916 64200 43900 100.0 78.0 --

Fri, Jul 06, 1984 3702.37 24,738,356 66441 43900 101.0 68.0 --

Mon, Jul 02, 1984 3701.62 24,616,838 70577 43900 99.0 68.0 --

Fri, Jun 29, 1984 3700.98 24,513,136 69468 43900 102.0 61.0 --

Thu, Jun 28, 1984 3700.80 24,483,988 70205 43900 98.0 78.0 --

Mon, May 28, 1984 3685.14 22,048,704 115705 43900 92.0 68.0 --

Fri, Jun 25, 1965 3503.91 4,867,252 69331 43900 87.0 56.0 --

Tue, Jun 08, 1965 3491.54 4,199,859 42119 43900 88.0 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