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 outflow from Lake Powell was 8580.00 cfs

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

Sat, Apr 02, 1994 3654.51 17,783,640 6921 8580 78.0 42.0 --

Sun, Jan 10, 1982 3666.49 19,447,134 5466 8580 44.0 20.0 --

Thu, Mar 30, 1978 3622.63 14,203,200 9702 8580 76.0 49.0 --

Wed, Nov 09, 1977 3635.28 15,652,106 6392 8580 53.0 30.0 --

Wed, Mar 30, 1977 3651.18 17,583,194 7429 8580 56.0 26.0 --

Thu, Jul 04, 1968 3548.25 7,674,262 26144 8580 98.0 73.0 --

Tue, Dec 13, 1966 3523.91 6,046,632 7746 8580 47.0 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