Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 8110 cfs

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

Thu, Sep 25, 2003 3604.05 12,140,720 6336 8110 89.1 60.1 73.0

Mon, Sep 01, 1997 3690.99 22,904,422 11624 8110 81.0 65.0 --

Sun, Jun 20, 1982 3681.82 21,618,952 37852 8110 86.0 66.0 --

Mon, May 21, 1979 3655.50 18,079,178 42408 8110 n/a n/a --

Sat, Jul 03, 1976 3672.18 20,416,238 16059 8110 97.0 68.0 --

Sat, Apr 13, 1974 3651.59 17,717,712 8792 8110 58.0 23.0 --

Wed, Feb 27, 1974 3648.49 17,326,004 9854 8110 60.0 26.0 --

Tue, Jul 24, 1973 3643.03 16,677,387 30442 8110 98.0 69.0 --

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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