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 inflow into Lake Powell was 5654.00 cfs

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

Tue, Jul 24, 2007 3608.18 12,547,969 5654 13459 84.9 69.1 81.0

Sat, Oct 01, 1994 3654.36 17,764,554 5654 8150 81.0 55.0 --

Thu, Dec 13, 1990 3635.10 15,432,511 5654 11700 53.0 32.0 --

Tue, Mar 27, 1990 3651.45 17,397,244 5654 9630 75.0 40.0 --

Sat, Dec 09, 1989 3660.83 18,602,156 5654 9240 52.0 25.0 --

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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