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 5940.00 cfs

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

Sun, Mar 26, 1972 3612.69 13,276,417 10770 5940 74.0 53.0 --

Wed, Dec 23, 1964 3490.99 4,177,480 9488 5940 53.0 34.0 --

Tue, Dec 22, 1964 3490.91 4,173,316 8350 5940 48.0 31.0 --

Sat, Nov 28, 1964 3491.41 4,199,316 8009 5940 60.0 34.0 --

Wed, Nov 04, 1964 3491.86 4,222,726 7306 5940 64.0 37.0 --

Tue, Aug 18, 1964 3490.35 4,144,205 10820 5940 98.0 72.0 --

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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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Copyright Summit Technologies, Inc.
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