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 51900.00 cfs

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

Fri, May 30, 1986 3684.94 21,987,052 58279 51900 85.0 65.0 --

Thu, May 29, 1986 3684.70 21,951,292 57838 51900 90.0 60.0 --

Wed, May 28, 1986 3684.60 21,936,414 55348 51900 85.0 65.0 --

Tue, May 27, 1986 3684.46 21,915,534 54211 51900 n/a n/a --

Mon, May 26, 1986 3684.36 21,900,656 51799 51900 89.0 62.0 --

Sun, May 25, 1986 3684.24 21,882,758 48329 51900 88.0 59.0 --

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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