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 5580 cfs

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

Mon, Feb 28, 1972 3609.36 12,932,474 12749 5580 68.0 39.0 --

Thu, Feb 17, 1972 3607.74 12,767,329 11461 5580 65.0 36.0 --

Fri, Feb 16, 1968 3525.19 6,108,008 7705 5580 57.0 39.0 --

Thu, Mar 11, 1965 3491.85 4,215,965 8929 5580 60.0 45.0 --

Tue, Oct 06, 1964 3491.58 4,208,164 7706 5580 86.0 55.0 --

Mon, Oct 05, 1964 3491.60 4,209,205 7388 5580 87.0 56.0 --

Sat, Oct 03, 1964 3491.66 4,212,316 7739 5580 90.0 56.0 --

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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