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 31500 cfs

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

Wed, Jun 25, 1986 3693.94 23,361,630 53623 31500 97.0 72.0 --

Sat, Apr 26, 1986 3681.52 21,480,442 33493 31500 63.0 45.0 --

Mon, Apr 14, 1986 3681.49 21,476,028 29915 31500 60.0 41.0 --

Sun, Apr 13, 1986 3681.49 21,476,028 29373 31500 71.0 52.0 --

Sat, Apr 12, 1986 3681.50 21,477,500 29677 31500 73.0 47.0 --

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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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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