Data provided "as is," no warranties.
File Description
Monthly ozone measurements for 30 monitoring stations.
|
oz9799.txt: |
Comma delimited text file for input as point file |
|
oz9799.shp shx dbf: |
Point shape file |
Type = Point shape file
Observations = 30
Variables = 78 (3 years; 72 ozone variables plus 6 identifiers)
Missing Values: -1000
Source
US Environmental Protection Agency
|
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 |
|
|
3 years (1997-99) x 12 months x 2 (max & average): |
|
Mxxy |
Daily maximum for year xx and month y |
|
Axxy |
Average or highest 8 hour period for year xx and month y |
Prepared by Luc Anselin.
Last updated June 3, 2004