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 outflow from Lake Powell was 2480.00 cfs

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

Sun, Jan 19, 1975 3645.96 16,984,260 9874 2480 49.0 25.0 --

Mon, Jul 08, 1963 20,400 3517 2480 103.0 78.0 --

Wed, Jul 03, 1963 17,400 5222 2480 100.0 75.0 --

Sat, Jun 29, 1963 5,400 7202 2480 96.0 62.0 --

Fri, Jun 28, 1963 8199 2480 99.0 64.0 --

Thu, Jun 27, 1963 9144 2480 100.0 64.0 --

Wed, Jun 26, 1963 10143 2480 99.0 67.0 --

Tue, Jun 25, 1963 11080 2480 94.0 62.0 --

Sat, Jun 22, 1963 12401 2480 95.0 65.0 --

Wed, Jun 12, 1963 15030 2480 91.0 61.0 --

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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