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Monthly ozone measurements for 30 US monitoring stations (1997-1999).

oz9799.txt: Comma delimited text file for input as point file.

oz9799.shp/shx/dbf: Point shape file.

Missing Values: -1000

Source: US Environmental Protection Agency EPA.

Variable Description
STATION Station ID
MONITOR The monitor to which the data applies
LATITUDE Latitude of monitoring site (UTM Zone 11)
LONGITUDE Longitude of monitoring site (UTM Zone 11)
X_COORD X Coordinates
Y_COORD Y Coordinates
Mxxy Daily maximum for year xx and month y (3 years (1997-99) x 12 months x 2 (max & average))
Axxy Average or highest 8 hour period for year xx and month y (3 years (1997-99) x 12 months x 2 (max & average))

Prepared by Luc Anselin. Last updated June 3, 2004. Data provided “as is,” no warranties