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 inflow into Lake Powell was 10150 cfs

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

Fri, Dec 11, 1998 3684.76 21,959,912 10150 14947 48.0 23.0 --

Sun, Nov 06, 1983 3693.04 23,285,536 10150 24400 68.0 49.0 --

Fri, Aug 17, 1979 3682.48 21,810,690 10150 19800 85.0 58.0 --

Mon, Mar 29, 1976 3664.78 19,393,370 10150 10100 57.0 35.0 --

Mon, Mar 15, 1976 3664.97 19,419,202 10150 10600 67.0 41.0 --

Sat, Sep 29, 1973 3645.06 16,926,346 10150 7370 82.0 54.0 --

Fri, Oct 22, 1971 3613.94 13,428,047 10150 7630 65.0 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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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