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 28700.00 cfs

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

Mon, Nov 19, 2012 3617.81 13,532,515 4160 28700 60.1 39.9 58.0

Sun, Aug 03, 1986 3699.22 24,197,196 18235 28700 99.0 75.0 --

Fri, Aug 01, 1986 3699.54 24,248,406 21498 28700 100.0 71.0 --

Fri, Jun 27, 1986 3694.40 23,433,784 48840 28700 100.0 69.0 --

Tue, Apr 15, 1986 3681.44 21,468,672 30657 28700 75.0 48.0 --

Sat, Aug 31, 1985 3690.74 22,865,958 8799 28700 100.0 70.0 --

Wed, Jul 31, 1985 3697.12 23,862,098 22424 28700 96.0 70.0 --

Wed, Apr 18, 1973 3592.64 11,278,030 15576 28700 69.0 43.0 --

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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