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 inflow into Lake Powell was 6090 cfs

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

Tue, Oct 22, 2019 3613.61 13,097,110 6090 10542 71.0 46.0 64.0

Fri, Sep 12, 2008 3628.49 14,684,421 6090 12135 82.0 57.0 77.0

Tue, Sep 24, 2002 3627.03 14,522,900 6090 8309 90.0 59.0 74.0

Tue, Sep 25, 2001 3665.06 19,164,392 6090 7767 89.1 61.0 77.0

Mon, Oct 05, 1992 3622.71 14,052,525 6090 8970 n/a 49.0 --

Fri, Oct 20, 1978 3638.20 15,969,061 6090 11600 71.0 61.0 --

Mon, Dec 30, 1974 3648.35 17,308,438 6090 8670 39.0 24.0 --

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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