An Evaluation and Review of Water-Use Estimates and Flow Data for the Lower Klamath and Tule Lake National Wildlife Refuges, Oregon and California

Scientific Investigations Report 2006–5036

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5036

Conversion Factors and Datums

Multiply	By	To obtain
acre	0.4047	hectare
acre	0.004047	square kilometer
acre-foot per day (acre-ft/d)	1,233	cubic meter per day
acre-foot per year (acre-ft/yr)	1,233	cubic meter per year
acre-foot per year (acre-ft/yr)	0.001233	cubic hectometer per year
cubic foot per second (ft³/s)	0.02832	cubic meter per second
gallon per minute (gal/min)	0.06309	liter per second
foot (ft)	0.3048	meter
inch (in.)	2.54	centimeter
inch (in.)	25.4	millimeter
mile (mi)	1.609	kilometer
million gallons per day (Mgal/d)	0.04381	cubic meter per second
square mile (mi²)	2.590	square kilometer

Temperature in degrees Celsius (°C) may be converted to degrees Fahrenheit (°F) as follows:

°F=(1.8 × °C)+32.

Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1929 (NGVD29).

Horizontal coordinate information is referenced to the North American Datum of 1927.

Elevation, as used in this report, refers to distance above the vertical datum.

For more information about USGS activities in Oregon, visit the USGS Oregon Water Science Center home page.