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 outflow from Lake Powell was 9480 cfs

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

Sat, Mar 25, 1995 3644.99 16,600,148 12936 9480 52.0 31.0 --

Thu, Oct 15, 1992 3621.89 13,964,512 6067 9480 n/a 56.0 --

Sun, Sep 20, 1992 3624.07 14,199,637 8189 9480 84.0 59.0 --

Tue, May 26, 1992 3628.45 14,680,170 27115 9480 79.0 58.0 --

Mon, May 17, 1982 3671.04 20,073,864 27693 9480 80.0 56.0 --

Thu, Jan 03, 1980 3672.73 20,371,894 8902 9480 37.0 32.0 --

Thu, Oct 06, 1977 3636.26 15,766,458 4741 9480 87.0 61.0 --

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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