Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where inflow into Lake Powell was 5938.00 cfs

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

Sun, Feb 25, 2024 3562.56 7,969,666 5938 9375 58.8 42.5 --

Thu, Mar 24, 2022 3523.81 5,853,774 5938 9802 75.0 43.0 48.0

Sun, Mar 13, 2022 3525.18 5,937,636 5938 9165 64.0 34.0 46.0

Fri, Jul 31, 2020 3606.25 12,356,539 5938 13149 106.0 92.0 80.0

Mon, Jul 24, 1972 3617.01 13,731,358 5938 14500 96.0 76.0 --

Tue, May 07, 1963 5938 1010 93.0 56.0 --

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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