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 5180 cfs

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

Sat, May 04, 1991 3627.84 14,612,410 10430 5180 69.0 40.0 --

Sun, Feb 05, 1978 3624.60 14,418,878 5465 5180 44.0 34.0 --

Sun, Apr 06, 1975 3646.24 17,018,990 6908 5180 64.0 38.0 --

Sun, Dec 04, 1966 3523.40 6,014,623 6149 5180 51.0 41.0 --

Tue, Nov 03, 1964 3491.93 4,226,357 7205 5180 63.0 42.0 --

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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