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 6710 cfs

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

Sat, Nov 03, 1990 3637.35 15,692,611 7065 6710 60.0 42.0 --

Sun, Jun 21, 1981 3680.93 21,519,458 11262 6710 106.0 72.0 --

Sat, May 30, 1981 3677.66 21,043,470 11707 6710 88.0 60.0 --

Sat, Aug 14, 1976 3669.70 20,068,994 7415 6710 94.0 64.0 --

Sun, Apr 18, 1976 3664.72 19,385,202 10067 6710 59.0 43.0 --

Fri, Feb 25, 1966 3534.30 6,722,508 8673 6710 49.0 30.0 --

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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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Copyright Summit Technologies, Inc.
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