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 8088 cfs

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

Fri, Dec 19, 2014 3599.33 11,686,275 8088 14415 45.0 32.0 55.0

Wed, Feb 23, 1994 3655.32 17,887,030 8088 13000 47.0 22.0 --

Thu, Feb 25, 1993 3612.71 13,005,015 8088 12000 59.0 37.0 --

Tue, Jan 30, 1979 3629.09 14,894,635 8088 22700 25.0 9.0 --

Wed, Feb 02, 1977 3651.66 17,643,924 8088 12500 56.0 32.0 --

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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