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 8990.00 cfs

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

Sun, Mar 26, 1995 3645.09 16,612,289 12906 8990 52.0 32.0 --

Wed, Oct 19, 1994 3653.86 17,700,996 9077 8990 60.0 42.0 --

Sun, Feb 02, 1992 3621.19 13,889,729 7059 8990 49.0 29.0 --

Thu, Nov 22, 1990 3636.60 15,605,611 6899 8990 55.0 33.0 --

Tue, Jun 06, 1989 3678.40 21,025,986 16982 8990 90.0 60.0 --

Mon, Feb 13, 1989 3675.12 20,556,056 6385 8990 57.0 22.0 --

Sun, Jun 27, 1982 3684.00 21,941,858 37884 8990 102.0 66.0 --

Sat, Nov 07, 1981 3671.78 20,207,436 8180 8990 61.0 47.0 --

Thu, May 07, 1981 3677.38 21,003,038 16891 8990 84.0 49.0 --

Sat, Apr 18, 1981 3677.38 21,003,038 6772 8990 81.0 53.0 --

Thu, Nov 25, 1976 3658.64 18,573,334 8364 8990 56.0 30.0 --

Mon, Apr 14, 1975 3646.27 17,022,718 9172 8990 69.0 25.0 --

Thu, May 03, 1973 3591.77 11,197,106 32585 8990 77.0 46.0 --

Sun, Jan 17, 1965 3491.75 4,210,766 10551 8990 55.0 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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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