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 7678.00 cfs

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

Thu, Sep 24, 2015 3606.65 12,396,053 7678 12248 91.9 63.0 77.0

Fri, Jun 15, 2012 3636.00 15,535,699 7678 12443 95.0 69.1 71.0

Tue, Mar 08, 2011 3613.74 13,110,447 7678 15693 54.0 37.0 46.0

Sat, Mar 04, 1989 3674.50 20,468,000 7678 12900 65.0 25.0 --

Thu, Nov 19, 1981 3671.10 20,112,666 7678 13800 59.0 39.0 --

Fri, Mar 03, 1978 3622.30 14,167,138 7678 17700 59.0 53.0 --

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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