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 7279.00 cfs

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

Sat, Dec 29, 2018 3582.10 10,120,507 7279 11640 34.0 18.0 49.0

Mon, Dec 13, 2010 3628.61 14,697,755 7279 13928 53.1 33.1 53.0

Thu, Feb 12, 2009 3613.29 13,064,318 7279 11014 46.0 28.0 48.0

Fri, Jan 30, 2009 3614.25 13,162,857 7279 13303 48.9 28.9 --

Wed, Sep 21, 2005 3602.07 11,948,662 7279 8005 84.0 64.0 73.0

Fri, Feb 21, 1992 3620.29 13,793,889 7279 11700 54.0 35.0 --

Mon, Feb 27, 1967 3515.15 5,500,298 7279 7120 60.0 n/a --

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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