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 outflow from Lake Powell was 8180 cfs

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

Tue, Nov 01, 1994 3653.67 17,676,862 7738 8180 65.0 40.0 --

Sun, Apr 12, 1992 3619.49 13,709,194 10809 8180 84.0 54.0 --

Fri, Jun 03, 1988 3688.70 22,554,092 26106 8180 94.0 48.0 --

Sun, May 24, 1987 3693.40 23,277,384 45084 8180 83.0 55.0 --

Fri, Apr 17, 1981 3677.40 21,005,928 6297 8180 83.0 53.0 --

Fri, Apr 26, 1974 3651.65 17,725,314 12220 8180 80.0 48.0 --

Thu, Feb 25, 1965 3491.46 4,195,699 10802 8180 57.0 29.0 --

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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