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 9860.00 cfs

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

Thu, May 25, 1995 3655.14 17,863,996 48220 9860 68.0 44.0 --

Sun, Dec 11, 1994 3651.58 17,413,202 8116 9860 44.0 22.0 --

Sat, Jun 11, 1994 3664.39 19,074,334 28086 9860 102.0 72.0 --

Mon, May 09, 1994 3654.79 17,819,332 15734 9860 76.0 56.0 --

Sun, Apr 29, 1990 3649.55 17,160,206 7982 9860 87.0 51.0 --

Sun, Jul 16, 1978 3652.56 17,730,648 18739 9860 100.0 61.0 --

Thu, Mar 23, 1967 3512.81 5,361,848 9438 9860 72.0 42.0 --

Wed, Apr 14, 1965 3491.38 4,191,539 13530 9860 63.0 39.0 --

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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