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 7860.00 cfs

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

Sun, May 29, 2005 3583.90 10,277,324 76435 7860 88.0 59.0 --

Mon, Oct 31, 1994 3653.73 17,684,480 7618 7860 69.0 38.0 --

Wed, Oct 26, 1977 3635.65 15,695,205 4843 7860 74.0 48.0 --

Tue, Mar 04, 1975 3645.58 16,937,470 12041 7860 64.0 38.0 --

Tue, Oct 05, 1971 3614.41 13,477,716 10006 7860 76.0 50.0 --

Sun, Feb 21, 1971 3602.64 12,276,016 11046 7860 43.0 27.0 --

Wed, Oct 07, 1970 3599.01 11,939,544 11422 7860 80.0 47.0 --

Sun, Nov 16, 1969 3574.75 9,750,435 11602 7860 58.0 44.0 --

Sun, Mar 26, 1967 3512.77 5,359,497 8207 7860 71.0 45.0 --

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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