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 10191.00 cfs

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

Fri, Feb 14, 1997 3669.31 19,743,232 10191 20000 52.0 25.0 --

Fri, Jan 07, 1977 3654.81 18,046,600 10191 17300 37.0 29.0 --

Sat, Oct 30, 1971 3614.13 13,448,079 10191 11800 42.0 24.0 --

Mon, Jan 04, 1971 3599.77 11,994,359 10191 15600 28.0 11.0 --

Sun, Nov 24, 1968 3541.83 7,215,758 10191 8710 54.0 29.0 --

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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