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 9050 cfs

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

Wed, Nov 16, 1994 3653.00 17,592,038 7716 9050 50.0 35.0 --

Fri, Nov 11, 1994 3653.23 17,621,124 7188 9050 65.0 39.0 --

Mon, Mar 30, 1992 3619.34 13,693,379 7861 9050 64.0 47.0 --

Thu, Oct 03, 1991 3628.49 14,684,634 7574 9050 92.0 59.0 --

Tue, Jun 14, 1988 3691.10 22,921,416 30320 9050 97.0 56.0 --

Sun, Feb 24, 1980 3673.62 20,497,354 17357 9050 57.0 36.0 --

Mon, Jan 12, 1976 3667.75 19,799,108 11883 9050 53.0 25.0 --

Mon, Oct 13, 1975 3666.80 19,698,568 7845 9050 70.0 47.0 --

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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