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 inflow into Lake Powell was 8655 cfs

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

Thu, Oct 26, 2023 3572.85 8,734,653 8655 7847 70.4 41.7 69.0

Sun, Apr 03, 2011 3610.19 12,749,435 8655 18774 69.1 41.0 --

Thu, Aug 21, 2008 3630.88 14,951,625 8655 14753 96.1 66.9 80.0

Tue, Oct 22, 1996 3678.31 21,012,974 8655 10400 55.0 32.0 --

Sun, Oct 20, 1996 3678.53 21,044,756 8655 8070 76.0 38.0 --

Tue, Mar 10, 1992 3619.72 13,733,457 8655 10300 58.0 35.0 --

Wed, Nov 04, 1981 3671.70 20,196,274 8655 7840 67.0 41.0 --

Sun, Nov 19, 1978 3637.17 15,847,938 8655 11300 49.0 35.0 --

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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