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 4910.00 cfs

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

Thu, Feb 18, 1982 3662.18 18,867,578 8205 4910 53.0 37.0 --

Sun, Oct 08, 1978 3639.59 16,134,024 5845 4910 88.0 57.0 --

Thu, Oct 30, 1975 3666.51 19,658,710 10428 4910 66.0 43.0 --

Sun, Feb 04, 1968 3525.11 6,103,001 7769 4910 49.0 28.0 --

Thu, Nov 23, 1967 3528.50 6,329,607 8780 4910 58.0 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