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 8000 cfs

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

Sun, Sep 05, 2004 3571.53 9,231,310 4641 8000 n/a n/a 74.0

Thu, Oct 18, 1990 3637.22 15,677,517 6765 8000 72.0 47.0 --

Sat, Oct 01, 1988 3685.57 22,081,510 7078 8000 84.0 57.0 --

Mon, Jun 06, 1988 3689.24 22,636,478 23851 8000 101.0 61.0 --

Wed, Mar 11, 1981 3678.21 21,123,096 6536 8000 59.0 37.0 --

Sun, Jun 17, 1979 3674.62 20,669,982 56784 8000 95.0 59.0 --

Thu, Oct 26, 1967 3528.20 6,310,212 8200 8000 73.0 52.0 --

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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