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 6060 cfs

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

Fri, Oct 06, 1989 3664.80 19,129,606 5799 6060 75.0 46.0 --

Sun, Apr 19, 1981 3677.41 21,007,374 6607 6060 65.0 46.0 --

Sun, Apr 15, 1979 3639.35 16,079,986 21314 6060 78.0 48.0 --

Sun, Dec 31, 1978 3632.83 15,343,792 7827 6060 n/a n/a --

Sun, Nov 06, 1977 3635.49 15,676,572 5781 6060 58.0 45.0 --

Sat, Feb 21, 1970 3569.55 9,299,261 10951 6060 52.0 40.0 --

Sun, Dec 06, 1964 3491.64 4,211,275 8340 6060 45.0 31.0 --

Sat, Dec 05, 1964 3491.61 4,209,726 8259 6060 46.0 33.0 --

Fri, Dec 04, 1964 3491.58 4,208,164 8210 6060 51.0 34.0 --

Thu, Dec 03, 1964 3491.59 4,208,685 8385 6060 51.0 34.0 --

Sun, Aug 23, 1964 3490.30 4,141,603 8203 6060 99.0 63.0 --

Sat, Aug 22, 1964 3490.34 4,143,685 8379 6060 91.0 66.0 --

Fri, Aug 21, 1964 3490.37 4,145,246 8540 6060 88.0 62.0 --

Thu, Aug 20, 1964 3490.37 4,145,246 9225 6060 90.0 69.0 --

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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