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 11312.00 cfs

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

Fri, Apr 16, 2004 3583.20 10,216,153 11312 11231 77.0 55.9 60.0

Mon, Jan 21, 1974 3647.15 17,158,782 11312 15400 46.0 33.0 --

Tue, Jan 09, 1973 3604.31 12,402,740 11312 23500 31.0 25.0 --

Sat, Jan 06, 1973 3604.93 12,464,196 11312 21800 30.0 17.0 --

Wed, Jan 05, 1972 3609.23 12,919,139 11312 20900 35.0 17.0 --

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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