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 9840.00 cfs

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

Thu, May 20, 2010 3622.31 14,009,548 18655 9840 84.9 53.1 61.0

Mon, Mar 13, 1995 3644.86 16,584,404 8471 9840 63.0 39.0 --

Thu, May 26, 1994 3659.42 18,416,772 31124 9840 76.0 54.0 --

Sun, Feb 13, 1994 3656.08 17,984,416 7921 9840 47.0 21.0 --

Tue, Mar 23, 1993 3614.72 13,211,274 23035 9840 76.0 41.0 --

Wed, May 01, 1991 3627.59 14,584,910 9754 9840 82.0 41.0 --

Fri, May 19, 1989 3677.02 20,826,882 15469 9840 86.0 54.0 --

Mon, Jun 13, 1988 3690.84 22,881,374 30098 9840 96.0 54.0 --

Thu, Apr 23, 1981 3677.32 20,994,402 8635 9840 82.0 51.0 --

Mon, May 12, 1980 3683.35 21,908,104 50289 9840 75.0 40.0 --

Mon, Mar 11, 1974 3649.21 17,416,524 12143 9840 57.0 39.0 --

Thu, Aug 15, 1968 3549.53 7,768,253 18905 9840 85.0 60.0 --

Sat, Mar 12, 1966 3533.63 6,677,481 12133 9840 67.0 38.0 --

Sun, Oct 31, 1965 3531.57 6,551,542 13464 9840 72.0 44.0 --

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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