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 7835 cfs

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

Thu, Oct 12, 2023 3573.16 8,758,440 7835 7861 64.7 43.9 71.0

Sat, Mar 11, 2000 3677.38 20,878,974 7835 10533 57.0 32.0 --

Mon, Feb 14, 1994 3656.00 17,974,138 7835 12800 52.0 25.0 --

Wed, Jun 01, 1977 3654.29 17,979,606 7835 3350 99.0 60.0 --

Fri, Apr 07, 1967 3510.84 5,246,402 7835 15000 76.0 40.0 --

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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