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 7407 cfs

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

Wed, Dec 02, 2015 3605.21 12,254,195 7407 13935 45.0 26.1 57.0

Sat, Aug 03, 1996 3686.07 22,156,086 7407 14800 95.0 70.0 --

Sun, Feb 19, 1995 3645.61 16,675,467 7407 10400 62.0 33.0 --

Thu, Feb 14, 1991 3629.87 14,838,518 7407 12000 69.0 35.0 --

Sun, Nov 20, 1988 3682.72 21,656,836 7407 14800 60.0 27.0 --

Thu, Nov 17, 1988 3683.14 21,718,844 7407 13800 50.0 30.0 --

Sat, Feb 19, 1977 3651.65 17,642,658 7407 3230 65.0 31.0 --

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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