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 inflow into Lake Powell was 12234 cfs

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

Mon, May 19, 2003 3605.31 12,264,017 12234 11249 82.9 57.9 61.0

Mon, Dec 18, 1995 3681.90 21,536,138 12234 15300 54.0 32.0 --

Sat, Dec 02, 1995 3682.73 21,658,490 12234 14300 61.0 33.0 --

Wed, Mar 10, 1993 3613.01 13,035,669 12234 9940 70.0 42.0 --

Thu, Dec 11, 1975 3667.65 19,815,362 12234 8350 54.0 34.0 --

Sat, Dec 23, 1972 3606.52 12,643,829 12234 13200 36.0 29.0 --

Thu, May 04, 1972 3610.06 13,004,236 12234 16800 86.0 55.0 --

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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