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 7570 cfs

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

Sun, Oct 17, 2010 3634.19 15,327,404 7570 8037 73.9 54.0 70.0

Sat, Jan 31, 1981 3679.57 21,320,830 7570 12300 48.0 26.0 --

Wed, Jan 03, 1979 3632.32 15,260,762 7570 19000 35.0 12.0 --

Sat, Mar 12, 1977 3650.75 17,528,892 7570 3830 55.0 28.0 --

Thu, Dec 16, 1971 3610.27 13,046,524 7570 19500 35.0 15.0 --

Fri, Oct 09, 1964 3491.67 4,212,836 7570 4080 89.0 58.0 --

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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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Copyright Summit Technologies, Inc.
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