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 7699.00 cfs

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

Fri, Mar 03, 1995 3644.60 16,552,920 7699 10500 58.0 39.0 --

Wed, Mar 13, 1991 3628.80 14,719,205 7699 10400 59.0 34.0 --

Tue, Mar 12, 1991 3628.83 14,722,554 7699 11700 58.0 33.0 --

Fri, May 27, 1977 3654.02 17,944,816 7699 2830 80.0 54.0 --

Wed, Mar 01, 1967 3515.05 5,494,343 7699 9210 66.0 31.0 --

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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