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 9590.00 cfs

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

Sat, May 16, 1992 3624.88 14,287,907 23959 9590 91.0 59.0 --

Wed, Apr 17, 1991 3627.22 14,544,197 9049 9590 78.0 42.0 --

Wed, Sep 19, 1979 3678.97 21,296,058 7668 9590 87.0 57.0 --

Sun, Sep 19, 1976 3665.25 19,457,180 8115 9590 90.0 58.0 --

Fri, Nov 15, 1974 3650.14 17,533,848 10542 9590 63.0 42.0 --

Mon, Dec 11, 1967 3527.84 6,287,086 6987 9590 48.0 22.0 --

Tue, Dec 05, 1967 3528.18 6,308,917 9129 9590 48.0 24.0 --

Tue, Feb 14, 1967 3515.99 5,550,403 6294 9590 64.0 n/a --

Mon, Nov 29, 1965 3532.45 6,609,951 16680 9590 46.0 26.0 --

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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