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 27600.00 cfs

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

Wed, Jan 07, 1987 3683.17 21,723,318 15752 27600 45.0 31.0 --

Mon, Jan 05, 1987 3683.48 21,769,518 15160 27600 49.0 31.0 --

Mon, Aug 25, 1986 3695.58 23,619,072 11227 27600 89.0 72.0 --

Sat, Aug 23, 1986 3696.01 23,686,582 10677 27600 92.0 67.0 --

Fri, Jul 26, 1985 3697.69 23,952,700 26999 27600 94.0 73.0 --

Mon, Apr 23, 1973 3591.65 11,185,970 16299 27600 75.0 44.0 --

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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