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 7230.00 cfs

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

Sun, May 01, 1988 3683.71 21,803,784 14038 7230 79.0 39.0 --

Sun, May 11, 1980 3682.83 21,830,798 51172 7230 n/a n/a --

Sat, Mar 11, 1978 3622.39 14,176,961 9082 7230 55.0 46.0 --

Sun, Dec 19, 1976 3656.49 18,291,980 8650 7230 50.0 27.0 --

Thu, Sep 13, 1973 3645.88 17,027,594 14926 7230 90.0 63.0 --

Sat, Oct 17, 1970 3599.25 11,962,857 12816 7230 68.0 44.0 --

Sun, Dec 15, 1968 3540.83 7,146,234 9991 7230 43.0 28.0 --

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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