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 8960.00 cfs

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

Sat, May 11, 2024 3561.81 7,915,765 15879 8960 67.2 53.4 --

Sun, Jan 01, 1995 3649.92 17,205,752 6851 8960 50.0 26.0 --

Mon, Oct 18, 1993 3662.32 18,798,276 10233 8960 62.0 46.0 --

Tue, Oct 05, 1993 3662.28 18,792,966 7201 8960 86.0 57.0 --

Mon, Oct 14, 1991 3627.90 14,618,989 6019 8960 83.0 56.0 --

Thu, May 03, 1990 3649.53 17,157,724 8721 8960 76.0 45.0 --

Fri, Jul 03, 1981 3680.49 21,455,058 8838 8960 98.0 73.0 --

Mon, Dec 24, 1979 3672.49 20,368,510 9990 8960 46.0 30.0 --

Sun, Jul 08, 1979 3683.09 21,900,878 42307 8960 99.0 58.0 --

Wed, Oct 04, 1978 3639.85 16,164,878 6755 8960 86.0 53.0 --

Sat, Nov 09, 1968 3542.91 7,291,829 9005 8960 66.0 38.0 --

Fri, Dec 10, 1965 3533.24 6,662,265 12735 8960 49.0 45.0 --

Tue, Jan 12, 1965 3491.75 4,210,766 12686 8960 48.0 27.0 --

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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