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 9293 cfs

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

Mon, Jan 26, 2015 3594.16 11,201,303 9293 14213 54.0 33.0 49.0

Thu, Dec 29, 2011 3639.99 16,001,884 9293 17124 50.0 32.0 51.0

Mon, Dec 17, 1979 3672.49 20,368,510 9293 8220 49.0 22.0 --

Mon, Jan 03, 1977 3655.27 18,105,860 9293 16600 51.0 30.0 --

Sat, Oct 25, 1975 3666.38 19,640,826 9293 9630 54.0 29.0 --

Sat, Oct 22, 1966 3527.95 6,304,328 9293 8610 75.0 49.0 --

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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