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 7827.00 cfs

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

Sun, Dec 24, 2023 3569.55 8,484,172 7827 8756 43.6 31.1 --

Sun, Apr 11, 2021 3565.26 8,729,415 7827 10100 79.0 51.0 56.0

Sat, Aug 19, 2017 3632.66 15,152,880 7827 14232 99.0 72.0 80.0

Tue, Mar 21, 2000 3676.97 20,820,126 7827 11578 43.0 29.0 53.0

Tue, Jan 26, 1999 3680.92 21,392,360 7827 14318 63.0 31.0 --

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

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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