Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 9170 cfs

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

Sun, Nov 18, 2001 3661.11 18,638,362 6210 9170 64.9 41.0 --

Mon, Oct 25, 1993 3662.35 18,802,258 10063 9170 71.0 44.0 --

Thu, Oct 14, 1993 3662.29 18,794,294 9855 9170 78.0 54.0 --

Thu, Oct 01, 1992 3622.96 14,079,436 6684 9170 n/a 57.0 --

Wed, Oct 30, 1991 3627.22 14,544,197 10313 9170 51.0 33.0 --

Sun, Jul 02, 1989 3677.42 20,884,468 8763 9170 101.0 64.0 --

Wed, Nov 27, 1985 3686.18 22,172,990 15366 9170 57.0 36.0 --

Fri, Apr 01, 1983 3684.72 22,017,652 14292 9170 59.0 40.0 --

Sat, Oct 13, 1979 3677.10 21,024,756 6693 9170 81.0 52.0 --

Sat, Aug 07, 1976 3670.17 20,134,410 9172 9170 100.0 76.0 --

Sun, May 19, 1974 3658.98 18,675,458 41349 9170 78.0 53.0 --

Sat, Nov 03, 1973 3645.88 17,027,594 12441 9170 70.0 29.0 --

Mon, Oct 15, 1973 3645.92 17,032,540 10385 9170 77.0 50.0 --

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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