Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 7970 cfs

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

Sun, Sep 19, 2004 3570.74 9,167,022 5026 7970 79.0 55.0 73.0

Sun, Sep 17, 2000 3678.59 21,053,440 6263 7970 n/a n/a --

Sun, Apr 25, 1993 3621.99 13,975,233 21941 7970 74.0 44.0 --

Tue, Oct 16, 1990 3637.26 15,682,161 7186 7970 81.0 51.0 --

Sat, Apr 22, 1989 3675.08 20,550,372 12217 7970 92.0 56.0 --

Sun, Nov 03, 1985 3686.30 22,191,008 15366 7970 69.0 44.0 --

Tue, Apr 10, 1979 3637.99 15,918,828 23788 7970 62.0 40.0 --

Tue, Apr 08, 1975 3646.12 17,004,104 7812 7970 49.0 35.0 --

Mon, Jan 28, 1974 3647.08 17,150,100 9705 7970 43.0 27.0 --

Sun, Nov 04, 1973 3645.84 17,022,680 12264 7970 61.0 44.0 --

Thu, Feb 11, 1971 3601.92 12,204,819 12802 7970 66.0 35.0 --

Mon, Jan 25, 1971 3599.99 12,015,696 12686 7970 54.0 29.0 --

Mon, Feb 09, 1970 3569.38 9,285,259 9024 7970 61.0 34.0 --

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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