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 7960.00 cfs

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

Wed, Jan 11, 2023 3524.46 5,513,896 7960 8214 46.8 34.2 48.0

Thu, Nov 03, 2016 3609.40 12,670,000 7960 8495 69.0 48.0 67.0

Sun, Aug 04, 2013 3593.67 11,156,012 7960 11704 95.0 73.0 79.0

Mon, Oct 12, 2009 3634.49 15,361,790 7960 10010 72.0 50.0 67.0

Tue, Mar 31, 2009 3610.43 12,773,632 7960 10448 62.1 32.0 51.0

Fri, May 18, 1990 3648.75 17,061,000 7960 11000 82.0 59.0 --

Sun, Feb 04, 1979 3628.20 14,794,495 7960 12600 29.0 12.0 --

Sat, Nov 07, 1964 3491.91 4,225,316 7960 6130 66.0 37.0 --

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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