datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,12 0:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 1:30:00,12 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 2:30:00,12 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 3:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 4:30:00,15 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 5:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 6:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 7:30:00,30 ,0.007309,6.608204,1.098388,1.739387
sgpcmbeC1.c1,2000,12 8:30:00,30 ,0.137894,111.2219,36.45102,39.16193
sgpcmbeC1.c1,2000,12 9:30:00,30 ,0.223831,259.1076,97.84421,103.8426
sgpcmbeC1.c1,2000,1210:30:00,30 , 0.18605,383.9379,166.9313,153.4913
sgpcmbeC1.c1,2000,1211:30:00,29 ,0.086319,446.1484,214.1297,185.3854
sgpcmbeC1.c1,2000,1212:30:00,30 ,       0,479.1572,205.0959,200.8257
sgpcmbeC1.c1,2000,1213:30:00,29 ,       0,448.7005, 203.222,182.2276
sgpcmbeC1.c1,2000,1214:30:00,29 ,       0,357.8345,169.2121,144.8925
sgpcmbeC1.c1,2000,1215:30:00,29 ,0.091957,223.4933,97.98037,93.13739
sgpcmbeC1.c1,2000,1216:30:00,29 ,       0,  77.217,27.56499,27.47606
sgpcmbeC1.c1,2000,1217:30:00,29 ,       0,1.321404,0.312492,0.433643
sgpcmbeC1.c1,2000,1218:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1219:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1220:30:00,18 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1221:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1222:30:00,9 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1223:30:00,13 ,       0,       0,       0,       0