site, date, chl, salt, temp, o2
siteA, 02-22-2016, 12.0, 3.4, 1.0, 5
siteB, 02-23-2016, 13.4, 23.4, 14.0, 7
siteC, 02-22-2016, 11.8, 31.4, 12.0, 2
siteD, 02-22-2016, 10.3, 35.4, 11.0, 7