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 inflow into Lake Powell was 7705 cfs

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

Fri, Apr 24, 2020 3599.69 11,720,528 7705 10953 76.0 59.0 58.0

Tue, Nov 11, 2008 3623.08 14,092,372 7705 10401 57.0 37.9 61.0

Tue, Feb 25, 1992 3620.06 13,769,396 7705 11700 62.0 39.0 --

Wed, Oct 02, 1991 3628.55 14,691,330 7705 9250 87.0 59.0 --

Thu, Oct 04, 1990 3637.60 15,721,611 7705 8390 78.0 56.0 --

Fri, Nov 18, 1988 3683.00 21,698,000 7705 17200 51.0 29.0 --

Sun, Oct 12, 1980 3686.62 22,398,122 7705 7410 83.0 52.0 --

Fri, Feb 16, 1968 3525.19 6,108,008 7705 5580 57.0 39.0 --

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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