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 8970.00 cfs

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

Mon, Oct 05, 1992 3622.71 14,052,525 6090 8970 n/a 49.0 --

Sun, Sep 06, 1992 3625.56 14,362,046 7812 8970 89.0 61.0 --

Mon, Nov 14, 1988 3683.50 21,772,500 7374 8970 70.0 37.0 --

Tue, Apr 28, 1981 3677.23 20,981,396 8558 8970 85.0 58.0 --

Mon, Jun 18, 1979 3675.24 20,758,358 58996 8970 98.0 56.0 --

Mon, Mar 20, 1978 3622.83 14,225,088 7108 8970 70.0 45.0 --

Tue, Apr 15, 1975 3646.27 17,022,718 10562 8970 74.0 43.0 --

Thu, Dec 26, 1974 3648.55 17,333,546 8962 8970 33.0 22.0 --

Wed, May 01, 1974 3652.64 17,851,594 23164 8970 85.0 47.0 --

Mon, Sep 30, 1968 3545.35 7,465,245 8456 8970 81.0 53.0 --

Sat, Dec 17, 1966 3523.48 6,019,649 6231 8970 46.0 26.0 --

Tue, Dec 28, 1965 3534.42 6,741,590 11951 8970 40.0 27.0 --

Mon, Dec 13, 1965 3533.57 6,684,341 13999 8970 49.0 36.0 --

Sat, Nov 20, 1965 3531.31 6,534,159 12419 8970 61.0 40.0 --

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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