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 23200.00 cfs

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

Sun, Sep 08, 1985 3688.68 22,551,030 9397 23200 84.0 57.0 --

Thu, Sep 06, 1984 3699.83 24,327,184 19270 23200 96.0 66.0 --

Mon, Aug 27, 1984 3700.64 24,458,042 24925 23200 92.0 63.0 --

Tue, Mar 13, 1984 3675.52 20,643,748 17635 23200 67.0 40.0 --

Fri, Jan 27, 1984 3681.00 21,435,428 14114 23200 47.0 27.0 --

Fri, Dec 30, 1983 3685.41 22,120,954 14456 23200 47.0 32.0 --

Mon, Dec 19, 1983 3686.96 22,353,700 14663 23200 47.0 31.0 --

Sat, Dec 03, 1983 3689.34 22,715,568 13509 23200 54.0 34.0 --

Fri, Dec 02, 1983 3689.54 22,745,998 13160 23200 50.0 31.0 --

Fri, Aug 15, 1980 3693.04 23,381,970 6261 23200 95.0 62.0 --

Fri, Aug 08, 1975 3674.30 20,747,512 15873 23200 102.0 74.0 --

Mon, Aug 19, 1974 3658.98 18,675,458 6316 23200 98.0 79.0 --

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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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Copyright Summit Technologies, Inc.
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