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 6830 cfs

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

Fri, Apr 08, 2016 3591.39 10,946,807 6830 11437 64.0 52.0 56.0

Thu, Jan 27, 2011 3621.34 13,905,724 6830 17234 50.0 28.9 47.0

Fri, Sep 09, 2005 3602.14 11,955,400 6830 8185 88.0 70.0 78.0

Sat, Nov 02, 2002 3624.71 14,268,881 6830 7828 62.1 44.1 63.0

Mon, Jan 16, 1967 3518.49 5,701,598 6830 11800 54.0 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