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 22500 cfs

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

Sun, May 29, 2011 3621.82 13,957,030 46437 22500 78.1 52.0 60.0

Fri, Nov 14, 1986 3688.91 22,586,216 17883 22500 60.0 37.0 --

Tue, Jan 28, 1986 3685.81 22,117,508 14410 22500 55.0 29.0 --

Wed, Feb 29, 1984 3677.02 20,857,932 16708 22500 56.0 31.0 --

Mon, Aug 04, 1980 3695.55 23,775,442 7525 22500 101.0 67.0 --

Sun, Aug 03, 1980 3695.78 23,811,602 7272 22500 95.0 72.0 --

Sat, Jul 26, 1980 3697.50 24,083,928 9473 22500 n/a n/a --

Wed, Jul 24, 1974 3663.86 19,327,412 11980 22500 97.0 81.0 --

Sun, Mar 25, 1973 3600.02 11,980,528 14462 22500 59.0 35.0 --

Fri, Jan 19, 1973 3603.03 12,275,696 11745 22500 39.0 28.0 --

Mon, Jan 08, 1973 3604.60 12,431,496 10889 22500 32.0 22.0 --

Tue, Apr 06, 1971 3602.58 12,270,095 13911 22500 72.0 37.0 --

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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